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dd2fdcda79
tmux/window-copy.c
nicm cd30633d10 Do not go down the regex search path (which is expensive because we need 
to convert the grid data into a string for regexec and reverse it to
find the grid position) if the search string does not contain any regex
special characters.
2020-04-01 08:07:05 +00:00

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/* $OpenBSD$ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <ctype.h>
#include <regex.h>
#include <stdlib.h>
#include <string.h>
#include "tmux.h"
static const char *window_copy_key_table(struct window_mode_entry *);
static void window_copy_command(struct window_mode_entry *, struct client *,
struct session *, struct winlink *, struct args *,
struct mouse_event *);
static struct screen *window_copy_init(struct window_mode_entry *,
struct cmd_find_state *, struct args *);
static struct screen *window_copy_view_init(struct window_mode_entry *,
struct cmd_find_state *, struct args *);
static void window_copy_free(struct window_mode_entry *);
static void window_copy_resize(struct window_mode_entry *, u_int, u_int);
static void window_copy_formats(struct window_mode_entry *,
struct format_tree *);
static void window_copy_pageup1(struct window_mode_entry *, int);
static int window_copy_pagedown(struct window_mode_entry *, int, int);
static void window_copy_next_paragraph(struct window_mode_entry *);
static void window_copy_previous_paragraph(struct window_mode_entry *);
static void window_copy_redraw_selection(struct window_mode_entry *, u_int);
static void window_copy_redraw_lines(struct window_mode_entry *, u_int,
u_int);
static void window_copy_redraw_screen(struct window_mode_entry *);
static void window_copy_write_line(struct window_mode_entry *,
struct screen_write_ctx *, u_int);
static void window_copy_write_lines(struct window_mode_entry *,
struct screen_write_ctx *, u_int, u_int);
static void window_copy_scroll_to(struct window_mode_entry *, u_int, u_int);
static int window_copy_search_compare(struct grid *, u_int, u_int,
struct grid *, u_int, int);
static int window_copy_search_lr(struct grid *, struct grid *, u_int *,
u_int, u_int, u_int, int);
static int window_copy_search_rl(struct grid *, struct grid *, u_int *,
u_int, u_int, u_int, int);
static int window_copy_last_regex(struct grid *gd, u_int py, u_int first,
u_int last, u_int len, u_int *ppx, u_int *psx,
const char *buf, const regex_t *preg, int eflags);
static char *window_copy_stringify(struct grid *, u_int, u_int, u_int,
char *, u_int *);
static void window_copy_cstrtocellpos(struct grid *, u_int, u_int *, u_int *,
const char *str);
static int window_copy_search_marks(struct window_mode_entry *,
struct screen *, int);
static void window_copy_clear_marks(struct window_mode_entry *);
static void window_copy_move_left(struct screen *, u_int *, u_int *, int);
static void window_copy_move_right(struct screen *, u_int *, u_int *, int);
static int window_copy_is_lowercase(const char *);
static int window_copy_search_jump(struct window_mode_entry *,
struct grid *, struct grid *, u_int, u_int, u_int, int, int,
int, int);
static int window_copy_search(struct window_mode_entry *, int, int);
static int window_copy_search_up(struct window_mode_entry *, int);
static int window_copy_search_down(struct window_mode_entry *, int);
static void window_copy_goto_line(struct window_mode_entry *, const char *);
static void window_copy_update_cursor(struct window_mode_entry *, u_int,
u_int);
static void window_copy_start_selection(struct window_mode_entry *);
static int window_copy_adjust_selection(struct window_mode_entry *,
u_int *, u_int *);
static int window_copy_set_selection(struct window_mode_entry *, int, int);
static int window_copy_update_selection(struct window_mode_entry *, int,
int);
static void window_copy_synchronize_cursor(struct window_mode_entry *, int);
static void *window_copy_get_selection(struct window_mode_entry *, size_t *);
static void window_copy_copy_buffer(struct window_mode_entry *,
const char *, void *, size_t);
static void window_copy_copy_pipe(struct window_mode_entry *,
struct session *, const char *, const char *);
static void window_copy_copy_selection(struct window_mode_entry *,
const char *);
static void window_copy_append_selection(struct window_mode_entry *);
static void window_copy_clear_selection(struct window_mode_entry *);
static void window_copy_copy_line(struct window_mode_entry *, char **,
size_t *, u_int, u_int, u_int);
static int window_copy_in_set(struct window_mode_entry *, u_int, u_int,
const char *);
static u_int window_copy_find_length(struct window_mode_entry *, u_int);
static void window_copy_cursor_start_of_line(struct window_mode_entry *);
static void window_copy_cursor_back_to_indentation(
struct window_mode_entry *);
static void window_copy_cursor_end_of_line(struct window_mode_entry *);
static void window_copy_other_end(struct window_mode_entry *);
static void window_copy_cursor_left(struct window_mode_entry *);
static void window_copy_cursor_right(struct window_mode_entry *);
static void window_copy_cursor_up(struct window_mode_entry *, int);
static void window_copy_cursor_down(struct window_mode_entry *, int);
static void window_copy_cursor_jump(struct window_mode_entry *);
static void window_copy_cursor_jump_back(struct window_mode_entry *);
static void window_copy_cursor_jump_to(struct window_mode_entry *);
static void window_copy_cursor_jump_to_back(struct window_mode_entry *);
static void window_copy_cursor_next_word(struct window_mode_entry *,
const char *);
static void window_copy_cursor_next_word_end_pos(struct window_mode_entry *,
const char *, u_int *, u_int *);
static void window_copy_cursor_next_word_end(struct window_mode_entry *,
const char *, int);
static void window_copy_cursor_previous_word_pos(struct window_mode_entry *,
const char *, int, u_int *, u_int *);
static void window_copy_cursor_previous_word(struct window_mode_entry *,
const char *, int);
static void window_copy_scroll_up(struct window_mode_entry *, u_int);
static void window_copy_scroll_down(struct window_mode_entry *, u_int);
static void window_copy_rectangle_toggle(struct window_mode_entry *);
static void window_copy_move_mouse(struct mouse_event *);
static void window_copy_drag_update(struct client *, struct mouse_event *);
static void window_copy_drag_release(struct client *, struct mouse_event *);
const struct window_mode window_copy_mode = {
.name = "copy-mode",
.init = window_copy_init,
.free = window_copy_free,
.resize = window_copy_resize,
.key_table = window_copy_key_table,
.command = window_copy_command,
.formats = window_copy_formats,
};
const struct window_mode window_view_mode = {
.name = "view-mode",
.init = window_copy_view_init,
.free = window_copy_free,
.resize = window_copy_resize,
.key_table = window_copy_key_table,
.command = window_copy_command,
.formats = window_copy_formats,
};
enum {
WINDOW_COPY_OFF,
WINDOW_COPY_SEARCHUP,
WINDOW_COPY_SEARCHDOWN,
WINDOW_COPY_JUMPFORWARD,
WINDOW_COPY_JUMPBACKWARD,
WINDOW_COPY_JUMPTOFORWARD,
WINDOW_COPY_JUMPTOBACKWARD,
};
enum {
WINDOW_COPY_REL_POS_ABOVE,
WINDOW_COPY_REL_POS_ON_SCREEN,
WINDOW_COPY_REL_POS_BELOW,
};
enum window_copy_cmd_action {
WINDOW_COPY_CMD_NOTHING,
WINDOW_COPY_CMD_REDRAW,
WINDOW_COPY_CMD_CANCEL,
};
struct window_copy_cmd_state {
struct window_mode_entry *wme;
struct args *args;
struct mouse_event *m;
struct client *c;
struct session *s;
struct winlink *wl;
};
/*
* Copy mode's visible screen (the "screen" field) is filled from one of two
* sources: the original contents of the pane (used when we actually enter via
* the "copy-mode" command, to copy the contents of the current pane), or else
* a series of lines containing the output from an output-writing tmux command
* (such as any of the "show-*" or "list-*" commands).
*
* In either case, the full content of the copy-mode grid is pointed at by the
* "backing" field, and is copied into "screen" as needed (that is, when
* scrolling occurs). When copy-mode is backed by a pane, backing points
* directly at that pane's screen structure (&wp->base); when backed by a list
* of output-lines from a command, it points at a newly-allocated screen
* structure (which is deallocated when the mode ends).
*/
struct window_copy_mode_data {
struct screen screen;
struct screen *backing;
int backing_written; /* backing display started */
u_int oy; /* number of lines scrolled up */
u_int selx; /* beginning of selection */
u_int sely;
u_int endselx; /* end of selection */
u_int endsely;
enum {
CURSORDRAG_NONE, /* selection is independent of cursor */
CURSORDRAG_ENDSEL, /* end is synchronized with cursor */
CURSORDRAG_SEL, /* start is synchronized with cursor */
} cursordrag;
int modekeys;
enum {
LINE_SEL_NONE,
LINE_SEL_LEFT_RIGHT,
LINE_SEL_RIGHT_LEFT,
} lineflag; /* line selection mode */
int rectflag; /* in rectangle copy mode? */
int scroll_exit; /* exit on scroll to end? */
int hide_position; /* hide position marker */
enum {
SEL_CHAR, /* select one char at a time */
SEL_WORD, /* select one word at a time */
SEL_LINE, /* select one line at a time */
} selflag;
const char *ws; /* word separators */
u_int dx; /* drag start position */
u_int dy;
u_int selrx; /* selection reset positions */
u_int selry;
u_int endselrx;
u_int endselry;
u_int cx;
u_int cy;
u_int lastcx; /* position in last line w/ content */
u_int lastsx; /* size of last line w/ content */
int searchtype;
int searchregex;
char *searchstr;
bitstr_t *searchmark;
u_int searchcount;
int searchthis;
int searchx;
int searchy;
int searcho;
int jumptype;
char jumpchar;
struct event dragtimer;
#define WINDOW_COPY_DRAG_REPEAT_TIME 50000
};
static void
window_copy_scroll_timer(__unused int fd, __unused short events, void *arg)
{
struct window_mode_entry *wme = arg;
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data = wme->data;
struct timeval tv = {
.tv_usec = WINDOW_COPY_DRAG_REPEAT_TIME
};
evtimer_del(&data->dragtimer);
if (TAILQ_FIRST(&wp->modes) != wme)
return;
if (data->cy == 0) {
evtimer_add(&data->dragtimer, &tv);
window_copy_cursor_up(wme, 1);
} else if (data->cy == screen_size_y(&data->screen) - 1) {
evtimer_add(&data->dragtimer, &tv);
window_copy_cursor_down(wme, 1);
}
}
static struct window_copy_mode_data *
window_copy_common_init(struct window_mode_entry *wme)
{
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data;
struct screen *base = &wp->base;
wme->data = data = xcalloc(1, sizeof *data);
data->cursordrag = CURSORDRAG_NONE;
data->lineflag = LINE_SEL_NONE;
data->selflag = SEL_CHAR;
if (wp->searchstr != NULL) {
data->searchtype = WINDOW_COPY_SEARCHUP;
data->searchregex = wp->searchregex;
data->searchstr = xstrdup(wp->searchstr);
} else {
data->searchtype = WINDOW_COPY_OFF;
data->searchregex = 0;
data->searchstr = NULL;
}
data->searchmark = NULL;
data->searchx = data->searchy = data->searcho = -1;
data->jumptype = WINDOW_COPY_OFF;
data->jumpchar = '\0';
screen_init(&data->screen, screen_size_x(base), screen_size_y(base), 0);
data->modekeys = options_get_number(wp->window->options, "mode-keys");
evtimer_set(&data->dragtimer, window_copy_scroll_timer, wme);
return (data);
}
static struct screen *
window_copy_init(struct window_mode_entry *wme,
__unused struct cmd_find_state *fs, struct args *args)
{
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data;
struct screen_write_ctx ctx;
u_int i;
data = window_copy_common_init(wme);
if (wp->fd != -1 && wp->disabled++ == 0)
bufferevent_disable(wp->event, EV_READ|EV_WRITE);
data->backing = &wp->base;
data->cx = data->backing->cx;
data->cy = data->backing->cy;
data->scroll_exit = args_has(args, 'e');
data->hide_position = args_has(args, 'H');
data->screen.cx = data->cx;
data->screen.cy = data->cy;
screen_write_start(&ctx, NULL, &data->screen);
for (i = 0; i < screen_size_y(&data->screen); i++)
window_copy_write_line(wme, &ctx, i);
screen_write_cursormove(&ctx, data->cx, data->cy, 0);
screen_write_stop(&ctx);
return (&data->screen);
}
static struct screen *
window_copy_view_init(struct window_mode_entry *wme,
__unused struct cmd_find_state *fs, __unused struct args *args)
{
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data;
struct screen *base = &wp->base;
struct screen *s;
data = window_copy_common_init(wme);
data->backing = s = xmalloc(sizeof *data->backing);
screen_init(s, screen_size_x(base), screen_size_y(base), UINT_MAX);
return (&data->screen);
}
static void
window_copy_free(struct window_mode_entry *wme)
{
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data = wme->data;
evtimer_del(&data->dragtimer);
if (wp->fd != -1 && --wp->disabled == 0)
bufferevent_enable(wp->event, EV_READ|EV_WRITE);
free(data->searchmark);
free(data->searchstr);
if (data->backing != &wp->base) {
screen_free(data->backing);
free(data->backing);
}
screen_free(&data->screen);
free(data);
}
void
window_copy_add(struct window_pane *wp, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
window_copy_vadd(wp, fmt, ap);
va_end(ap);
}
void
window_copy_vadd(struct window_pane *wp, const char *fmt, va_list ap)
{
struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
struct window_copy_mode_data *data = wme->data;
struct screen *backing = data->backing;
struct screen_write_ctx back_ctx, ctx;
struct grid_cell gc;
u_int old_hsize, old_cy;
if (backing == &wp->base)
return;
memcpy(&gc, &grid_default_cell, sizeof gc);
old_hsize = screen_hsize(data->backing);
screen_write_start(&back_ctx, NULL, backing);
if (data->backing_written) {
/*
* On the second or later line, do a CRLF before writing
* (so it's on a new line).
*/
screen_write_carriagereturn(&back_ctx);
screen_write_linefeed(&back_ctx, 0, 8);
} else
data->backing_written = 1;
old_cy = backing->cy;
screen_write_vnputs(&back_ctx, 0, &gc, fmt, ap);
screen_write_stop(&back_ctx);
data->oy += screen_hsize(data->backing) - old_hsize;
screen_write_start(&ctx, wp, &data->screen);
/*
* If the history has changed, draw the top line.
* (If there's any history at all, it has changed.)
*/
if (screen_hsize(data->backing))
window_copy_redraw_lines(wme, 0, 1);
/* Write the new lines. */
window_copy_redraw_lines(wme, old_cy, backing->cy - old_cy + 1);
screen_write_stop(&ctx);
}
void
window_copy_pageup(struct window_pane *wp, int half_page)
{
window_copy_pageup1(TAILQ_FIRST(&wp->modes), half_page);
}
static void
window_copy_pageup1(struct window_mode_entry *wme, int half_page)
{
struct window_copy_mode_data *data = wme->data;
struct screen *s = &data->screen;
u_int n, ox, oy, px, py;
oy = screen_hsize(data->backing) + data->cy - data->oy;
ox = window_copy_find_length(wme, oy);
if (data->cx != ox) {
data->lastcx = data->cx;
data->lastsx = ox;
}
data->cx = data->lastcx;
n = 1;
if (screen_size_y(s) > 2) {
if (half_page)
n = screen_size_y(s) / 2;
else
n = screen_size_y(s) - 2;
}
if (data->oy + n > screen_hsize(data->backing)) {
data->oy = screen_hsize(data->backing);
if (data->cy < n)
data->cy = 0;
else
data->cy -= n;
} else
data->oy += n;
if (data->screen.sel == NULL || !data->rectflag) {
py = screen_hsize(data->backing) + data->cy - data->oy;
px = window_copy_find_length(wme, py);
if ((data->cx >= data->lastsx && data->cx != px) ||
data->cx > px)
window_copy_cursor_end_of_line(wme);
}
window_copy_update_selection(wme, 1, 0);
window_copy_redraw_screen(wme);
}
static int
window_copy_pagedown(struct window_mode_entry *wme, int half_page,
int scroll_exit)
{
struct window_copy_mode_data *data = wme->data;
struct screen *s = &data->screen;
u_int n, ox, oy, px, py;
oy = screen_hsize(data->backing) + data->cy - data->oy;
ox = window_copy_find_length(wme, oy);
if (data->cx != ox) {
data->lastcx = data->cx;
data->lastsx = ox;
}
data->cx = data->lastcx;
n = 1;
if (screen_size_y(s) > 2) {
if (half_page)
n = screen_size_y(s) / 2;
else
n = screen_size_y(s) - 2;
}
if (data->oy < n) {
data->oy = 0;
if (data->cy + (n - data->oy) >= screen_size_y(data->backing))
data->cy = screen_size_y(data->backing) - 1;
else
data->cy += n - data->oy;
} else
data->oy -= n;
if (data->screen.sel == NULL || !data->rectflag) {
py = screen_hsize(data->backing) + data->cy - data->oy;
px = window_copy_find_length(wme, py);
if ((data->cx >= data->lastsx && data->cx != px) ||
data->cx > px)
window_copy_cursor_end_of_line(wme);
}
if (scroll_exit && data->oy == 0)
return (1);
window_copy_update_selection(wme, 1, 0);
window_copy_redraw_screen(wme);
return (0);
}
static void
window_copy_previous_paragraph(struct window_mode_entry *wme)
{
struct window_copy_mode_data *data = wme->data;
u_int oy;
oy = screen_hsize(data->backing) + data->cy - data->oy;
while (oy > 0 && window_copy_find_length(wme, oy) == 0)
oy--;
while (oy > 0 && window_copy_find_length(wme, oy) > 0)
oy--;
window_copy_scroll_to(wme, 0, oy);
}
static void
window_copy_next_paragraph(struct window_mode_entry *wme)
{
struct window_copy_mode_data *data = wme->data;
struct screen *s = &data->screen;
u_int maxy, ox, oy;
oy = screen_hsize(data->backing) + data->cy - data->oy;
maxy = screen_hsize(data->backing) + screen_size_y(s) - 1;
while (oy < maxy && window_copy_find_length(wme, oy) == 0)
oy++;
while (oy < maxy && window_copy_find_length(wme, oy) > 0)
oy++;
ox = window_copy_find_length(wme, oy);
window_copy_scroll_to(wme, ox, oy);
}
char *
window_copy_get_word(struct window_pane *wp, u_int x, u_int y)
{
struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
struct window_copy_mode_data *data = wme->data;
struct grid *gd = data->screen.grid;
return (format_grid_word(gd, x, gd->hsize + y));
}
char *
window_copy_get_line(struct window_pane *wp, u_int y)
{
struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
struct window_copy_mode_data *data = wme->data;
struct grid *gd = data->screen.grid;
return (format_grid_line(gd, gd->hsize + y));
}
static void
window_copy_formats(struct window_mode_entry *wme, struct format_tree *ft)
{
struct window_copy_mode_data *data = wme->data;
struct grid *gd = data->screen.grid;
char *s;
format_add(ft, "scroll_position", "%d", data->oy);
format_add(ft, "rectangle_toggle", "%d", data->rectflag);
format_add(ft, "copy_cursor_x", "%d", data->cx);
format_add(ft, "copy_cursor_y", "%d", data->cy);
format_add(ft, "selection_present", "%d", data->screen.sel != NULL);
if (data->screen.sel != NULL) {
format_add(ft, "selection_start_x", "%d", data->selx);
format_add(ft, "selection_start_y", "%d", data->sely);
format_add(ft, "selection_end_x", "%d", data->endselx);
format_add(ft, "selection_end_y", "%d", data->endsely);
format_add(ft, "selection_active", "%d",
data->cursordrag != CURSORDRAG_NONE);
} else
format_add(ft, "selection_active", "%d", 0);
s = format_grid_word(gd, data->cx, gd->hsize + data->cy);
if (s != NULL) {
format_add(ft, "copy_cursor_word", "%s", s);
free(s);
}
s = format_grid_line(gd, gd->hsize + data->cy);
if (s != NULL) {
format_add(ft, "copy_cursor_line", "%s", s);
free(s);
}
}
static void
window_copy_resize(struct window_mode_entry *wme, u_int sx, u_int sy)
{
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data = wme->data;
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
int search;
screen_resize(s, sx, sy, 1);
if (data->backing != &wp->base)
screen_resize(data->backing, sx, sy, 1);
if (data->cy > sy - 1)
data->cy = sy - 1;
if (data->cx > sx)
data->cx = sx;
if (data->oy > screen_hsize(data->backing))
data->oy = screen_hsize(data->backing);
search = (data->searchmark != NULL);
window_copy_clear_selection(wme);
window_copy_clear_marks(wme);
screen_write_start(&ctx, NULL, s);
window_copy_write_lines(wme, &ctx, 0, screen_size_y(s) - 1);
screen_write_stop(&ctx);
if (search)
window_copy_search_marks(wme, NULL, 1);
data->searchx = data->cx;
data->searchy = data->cy;
data->searcho = data->oy;
window_copy_redraw_screen(wme);
}
static const char *
window_copy_key_table(struct window_mode_entry *wme)
{
struct window_pane *wp = wme->wp;
if (options_get_number(wp->window->options, "mode-keys") == MODEKEY_VI)
return ("copy-mode-vi");
return ("copy-mode");
}
static int
window_copy_expand_search_string(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
const char *argument;
char *expanded;
if (cs->args->argc == 2) {
argument = cs->args->argv[1];
if (*argument != '\0') {
if (args_has(cs->args, 'F')) {
expanded = format_single(NULL, argument, NULL,
NULL, NULL, wme->wp);
if (*expanded == '\0') {
free(expanded);
return (0);
}
free(data->searchstr);
data->searchstr = expanded;
} else {
free(data->searchstr);
data->searchstr = xstrdup(argument);
}
}
}
return (1);
}
static enum window_copy_cmd_action
window_copy_cmd_append_selection(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct session *s = cs->s;
if (s != NULL)
window_copy_append_selection(wme);
window_copy_clear_selection(wme);
return (WINDOW_COPY_CMD_REDRAW);
}
static enum window_copy_cmd_action
window_copy_cmd_append_selection_and_cancel(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct session *s = cs->s;
if (s != NULL)
window_copy_append_selection(wme);
window_copy_clear_selection(wme);
return (WINDOW_COPY_CMD_CANCEL);
}
static enum window_copy_cmd_action
window_copy_cmd_back_to_indentation(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
window_copy_cursor_back_to_indentation(wme);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_begin_selection(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct client *c = cs->c;
struct mouse_event *m = cs->m;
struct window_copy_mode_data *data = wme->data;
if (m != NULL) {
window_copy_start_drag(c, m);
return (WINDOW_COPY_CMD_NOTHING);
}
data->lineflag = LINE_SEL_NONE;
data->selflag = SEL_CHAR;
window_copy_start_selection(wme);
return (WINDOW_COPY_CMD_REDRAW);
}
static enum window_copy_cmd_action
window_copy_cmd_stop_selection(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
data->cursordrag = CURSORDRAG_NONE;
data->lineflag = LINE_SEL_NONE;
data->selflag = SEL_CHAR;
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_bottom_line(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
data->cx = 0;
data->cy = screen_size_y(&data->screen) - 1;
window_copy_update_selection(wme, 1, 0);
return (WINDOW_COPY_CMD_REDRAW);
}
static enum window_copy_cmd_action
window_copy_cmd_cancel(__unused struct window_copy_cmd_state *cs)
{
return (WINDOW_COPY_CMD_CANCEL);
}
static enum window_copy_cmd_action
window_copy_cmd_clear_selection(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
window_copy_clear_selection(wme);
return (WINDOW_COPY_CMD_REDRAW);
}
static enum window_copy_cmd_action
window_copy_cmd_copy_end_of_line(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct client *c = cs->c;
struct session *s = cs->s;
struct winlink *wl = cs->wl;
struct window_pane *wp = wme->wp;
u_int np = wme->prefix;
char *prefix = NULL;
if (cs->args->argc == 2)
prefix = format_single(NULL, cs->args->argv[1], c, s, wl, wp);
window_copy_start_selection(wme);
for (; np > 1; np--)
window_copy_cursor_down(wme, 0);
window_copy_cursor_end_of_line(wme);
if (s != NULL) {
window_copy_copy_selection(wme, prefix);
free(prefix);
return (WINDOW_COPY_CMD_CANCEL);
}
free(prefix);
return (WINDOW_COPY_CMD_REDRAW);
}
static enum window_copy_cmd_action
window_copy_cmd_copy_line(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct client *c = cs->c;
struct session *s = cs->s;
struct winlink *wl = cs->wl;
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix;
char *prefix = NULL;
if (cs->args->argc == 2)
prefix = format_single(NULL, cs->args->argv[1], c, s, wl, wp);
data->selflag = SEL_CHAR;
window_copy_cursor_start_of_line(wme);
window_copy_start_selection(wme);
for (; np > 1; np--)
window_copy_cursor_down(wme, 0);
window_copy_cursor_end_of_line(wme);
if (s != NULL) {
window_copy_copy_selection(wme, prefix);
free(prefix);
return (WINDOW_COPY_CMD_CANCEL);
}
free(prefix);
return (WINDOW_COPY_CMD_REDRAW);
}
static enum window_copy_cmd_action
window_copy_cmd_copy_selection_no_clear(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct client *c = cs->c;
struct session *s = cs->s;
struct winlink *wl = cs->wl;
struct window_pane *wp = wme->wp;
char *prefix = NULL;
if (cs->args->argc == 2)
prefix = format_single(NULL, cs->args->argv[1], c, s, wl, wp);
if (s != NULL)
window_copy_copy_selection(wme, prefix);
free(prefix);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_copy_selection(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
window_copy_cmd_copy_selection_no_clear(cs);
window_copy_clear_selection(wme);
return (WINDOW_COPY_CMD_REDRAW);
}
static enum window_copy_cmd_action
window_copy_cmd_copy_selection_and_cancel(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
window_copy_cmd_copy_selection_no_clear(cs);
window_copy_clear_selection(wme);
return (WINDOW_COPY_CMD_CANCEL);
}
static enum window_copy_cmd_action
window_copy_cmd_cursor_down(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
u_int np = wme->prefix;
for (; np != 0; np--)
window_copy_cursor_down(wme, 0);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_cursor_down_and_cancel(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix, cy;
cy = data->cy;
for (; np != 0; np--)
window_copy_cursor_down(wme, 0);
if (cy == data->cy && data->oy == 0)
return (WINDOW_COPY_CMD_CANCEL);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_cursor_left(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
u_int np = wme->prefix;
for (; np != 0; np--)
window_copy_cursor_left(wme);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_cursor_right(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
u_int np = wme->prefix;
for (; np != 0; np--)
window_copy_cursor_right(wme);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_cursor_up(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
u_int np = wme->prefix;
for (; np != 0; np--)
window_copy_cursor_up(wme, 0);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_end_of_line(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
window_copy_cursor_end_of_line(wme);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_halfpage_down(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix;
for (; np != 0; np--) {
if (window_copy_pagedown(wme, 1, data->scroll_exit))
return (WINDOW_COPY_CMD_CANCEL);
}
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_halfpage_down_and_cancel(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
u_int np = wme->prefix;
for (; np != 0; np--) {
if (window_copy_pagedown(wme, 1, 1))
return (WINDOW_COPY_CMD_CANCEL);
}
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_halfpage_up(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
u_int np = wme->prefix;
for (; np != 0; np--)
window_copy_pageup1(wme, 1);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_history_bottom(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int oy;
oy = screen_hsize(data->backing) + data->cy - data->oy;
if (data->lineflag == LINE_SEL_RIGHT_LEFT && oy == data->endsely)
window_copy_other_end(wme);
data->cy = screen_size_y(&data->screen) - 1;
data->cx = window_copy_find_length(wme, data->cy);
data->oy = 0;
window_copy_update_selection(wme, 1, 0);
return (WINDOW_COPY_CMD_REDRAW);
}
static enum window_copy_cmd_action
window_copy_cmd_history_top(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int oy;
oy = screen_hsize(data->backing) + data->cy - data->oy;
if (data->lineflag == LINE_SEL_LEFT_RIGHT && oy == data->sely)
window_copy_other_end(wme);
data->cy = 0;
data->cx = 0;
data->oy = screen_hsize(data->backing);
window_copy_update_selection(wme, 1, 0);
return (WINDOW_COPY_CMD_REDRAW);
}
static enum window_copy_cmd_action
window_copy_cmd_jump_again(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix;
switch (data->jumptype) {
case WINDOW_COPY_JUMPFORWARD:
for (; np != 0; np--)
window_copy_cursor_jump(wme);
break;
case WINDOW_COPY_JUMPBACKWARD:
for (; np != 0; np--)
window_copy_cursor_jump_back(wme);
break;
case WINDOW_COPY_JUMPTOFORWARD:
for (; np != 0; np--)
window_copy_cursor_jump_to(wme);
break;
case WINDOW_COPY_JUMPTOBACKWARD:
for (; np != 0; np--)
window_copy_cursor_jump_to_back(wme);
break;
}
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_jump_reverse(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix;
switch (data->jumptype) {
case WINDOW_COPY_JUMPFORWARD:
for (; np != 0; np--)
window_copy_cursor_jump_back(wme);
break;
case WINDOW_COPY_JUMPBACKWARD:
for (; np != 0; np--)
window_copy_cursor_jump(wme);
break;
case WINDOW_COPY_JUMPTOFORWARD:
for (; np != 0; np--)
window_copy_cursor_jump_to_back(wme);
break;
case WINDOW_COPY_JUMPTOBACKWARD:
for (; np != 0; np--)
window_copy_cursor_jump_to(wme);
break;
}
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_middle_line(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
data->cx = 0;
data->cy = (screen_size_y(&data->screen) - 1) / 2;
window_copy_update_selection(wme, 1, 0);
return (WINDOW_COPY_CMD_REDRAW);
}
static enum window_copy_cmd_action
window_copy_cmd_previous_matching_bracket(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
u_int np = wme->prefix;
struct window_copy_mode_data *data = wme->data;
struct screen *s = data->backing;
char open[] = "{[(", close[] = "}])";
char tried, found, start, *cp;
u_int px, py, xx, n;
struct grid_cell gc;
int failed;
for (; np != 0; np--) {
/* Get cursor position and line length. */
px = data->cx;
py = screen_hsize(s) + data->cy - data->oy;
xx = window_copy_find_length(wme, py);
if (xx == 0)
break;
/*
* Get the current character. If not on a bracket, try the
* previous. If still not, then behave like previous-word.
*/
tried = 0;
retry:
grid_get_cell(s->grid, px, py, &gc);
if (gc.data.size != 1 || (gc.flags & GRID_FLAG_PADDING))
cp = NULL;
else {
found = *gc.data.data;
cp = strchr(close, found);
}
if (cp == NULL) {
if (data->modekeys == MODEKEY_EMACS) {
if (!tried && px > 0) {
px--;
tried = 1;
goto retry;
}
window_copy_cursor_previous_word(wme, "}]) ", 1);
}
continue;
}
start = open[cp - close];
/* Walk backward until the matching bracket is reached. */
n = 1;
failed = 0;
do {
if (px == 0) {
if (py == 0) {
failed = 1;
break;
}
do {
py--;
xx = window_copy_find_length(wme, py);
} while (xx == 0 && py > 0);
if (xx == 0 && py == 0) {
failed = 1;
break;
}
px = xx - 1;
} else
px--;
grid_get_cell(s->grid, px, py, &gc);
if (gc.data.size == 1 &&
(~gc.flags & GRID_FLAG_PADDING)) {
if (*gc.data.data == found)
n++;
else if (*gc.data.data == start)
n--;
}
} while (n != 0);
/* Move the cursor to the found location if any. */
if (!failed)
window_copy_scroll_to(wme, px, py);
}
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_next_matching_bracket(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
u_int np = wme->prefix;
struct window_copy_mode_data *data = wme->data;
struct screen *s = data->backing;
char open[] = "{[(", close[] = "}])";
char tried, found, end, *cp;
u_int px, py, xx, yy, sx, sy, n;
struct grid_cell gc;
int failed;
struct grid_line *gl;
for (; np != 0; np--) {
/* Get cursor position and line length. */
px = data->cx;
py = screen_hsize(s) + data->cy - data->oy;
xx = window_copy_find_length(wme, py);
yy = screen_hsize(s) + screen_size_y(s) - 1;
if (xx == 0)
break;
/*
* Get the current character. If not on a bracket, try the
* next. If still not, then behave like next-word.
*/
tried = 0;
retry:
grid_get_cell(s->grid, px, py, &gc);
if (gc.data.size != 1 || (gc.flags & GRID_FLAG_PADDING))
cp = NULL;
else {
found = *gc.data.data;
/*
* In vi mode, attempt to move to previous bracket if a
* closing bracket is found first. If this fails,
* return to the original cursor position.
*/
cp = strchr(close, found);
if (cp != NULL && data->modekeys == MODEKEY_VI) {
sx = data->cx;
sy = screen_hsize(s) + data->cy - data->oy;
window_copy_scroll_to(wme, px, py);
window_copy_cmd_previous_matching_bracket(cs);
px = data->cx;
py = screen_hsize(s) + data->cy - data->oy;
grid_get_cell(s->grid, px, py, &gc);
if (gc.data.size != 1 ||
(gc.flags & GRID_FLAG_PADDING) ||
strchr(close, *gc.data.data) == NULL)
window_copy_scroll_to(wme, sx, sy);
break;
}
cp = strchr(open, found);
}
if (cp == NULL) {
if (data->modekeys == MODEKEY_EMACS) {
if (!tried && px <= xx) {
px++;
tried = 1;
goto retry;
}
window_copy_cursor_next_word_end(wme, "{[( ",
0);
continue;
}
/* For vi, continue searching for bracket until EOL. */
if (px > xx) {
if (py == yy)
continue;
gl = grid_get_line(s->grid, py);
if (~gl->flags & GRID_LINE_WRAPPED)
continue;
if (gl->cellsize > s->grid->sx)
continue;
px = 0;
py++;
xx = window_copy_find_length(wme, py);
} else
px++;
goto retry;
}
end = close[cp - open];
/* Walk forward until the matching bracket is reached. */
n = 1;
failed = 0;
do {
if (px > xx) {
if (py == yy) {
failed = 1;
break;
}
px = 0;
py++;
xx = window_copy_find_length(wme, py);
} else
px++;
grid_get_cell(s->grid, px, py, &gc);
if (gc.data.size == 1 &&
(~gc.flags & GRID_FLAG_PADDING)) {
if (*gc.data.data == found)
n++;
else if (*gc.data.data == end)
n--;
}
} while (n != 0);
/* Move the cursor to the found location if any. */
if (!failed)
window_copy_scroll_to(wme, px, py);
}
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_next_paragraph(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
u_int np = wme->prefix;
for (; np != 0; np--)
window_copy_next_paragraph(wme);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_next_space(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
u_int np = wme->prefix;
for (; np != 0; np--)
window_copy_cursor_next_word(wme, " ");
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_next_space_end(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
u_int np = wme->prefix;
for (; np != 0; np--)
window_copy_cursor_next_word_end(wme, " ", 0);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_next_word(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct session *s = cs->s;
u_int np = wme->prefix;
const char *ws;
ws = options_get_string(s->options, "word-separators");
for (; np != 0; np--)
window_copy_cursor_next_word(wme, ws);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_next_word_end(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct session *s = cs->s;
u_int np = wme->prefix;
const char *ws;
ws = options_get_string(s->options, "word-separators");
for (; np != 0; np--)
window_copy_cursor_next_word_end(wme, ws, 0);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_other_end(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
u_int np = wme->prefix;
struct window_copy_mode_data *data = wme->data;
data->selflag = SEL_CHAR;
if ((np % 2) != 0)
window_copy_other_end(wme);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_page_down(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix;
for (; np != 0; np--) {
if (window_copy_pagedown(wme, 0, data->scroll_exit))
return (WINDOW_COPY_CMD_CANCEL);
}
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_page_down_and_cancel(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
u_int np = wme->prefix;
for (; np != 0; np--) {
if (window_copy_pagedown(wme, 0, 1))
return (WINDOW_COPY_CMD_CANCEL);
}
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_page_up(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
u_int np = wme->prefix;
for (; np != 0; np--)
window_copy_pageup1(wme, 0);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_previous_paragraph(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
u_int np = wme->prefix;
for (; np != 0; np--)
window_copy_previous_paragraph(wme);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_previous_space(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
u_int np = wme->prefix;
for (; np != 0; np--)
window_copy_cursor_previous_word(wme, " ", 1);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_previous_word(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct session *s = cs->s;
u_int np = wme->prefix;
const char *ws;
ws = options_get_string(s->options, "word-separators");
for (; np != 0; np--)
window_copy_cursor_previous_word(wme, ws, 1);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_rectangle_toggle(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
data->lineflag = LINE_SEL_NONE;
window_copy_rectangle_toggle(wme);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_scroll_down(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix;
for (; np != 0; np--)
window_copy_cursor_down(wme, 1);
if (data->scroll_exit && data->oy == 0)
return (WINDOW_COPY_CMD_CANCEL);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_scroll_down_and_cancel(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix;
for (; np != 0; np--)
window_copy_cursor_down(wme, 1);
if (data->oy == 0)
return (WINDOW_COPY_CMD_CANCEL);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_scroll_up(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
u_int np = wme->prefix;
for (; np != 0; np--)
window_copy_cursor_up(wme, 1);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_search_again(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix;
if (data->searchtype == WINDOW_COPY_SEARCHUP) {
for (; np != 0; np--)
window_copy_search_up(wme, data->searchregex);
} else if (data->searchtype == WINDOW_COPY_SEARCHDOWN) {
for (; np != 0; np--)
window_copy_search_down(wme, data->searchregex);
}
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_search_reverse(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix;
if (data->searchtype == WINDOW_COPY_SEARCHUP) {
for (; np != 0; np--)
window_copy_search_down(wme, data->searchregex);
} else if (data->searchtype == WINDOW_COPY_SEARCHDOWN) {
for (; np != 0; np--)
window_copy_search_up(wme, data->searchregex);
}
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_select_line(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix;
data->lineflag = LINE_SEL_LEFT_RIGHT;
data->rectflag = 0;
data->selflag = SEL_LINE;
data->dx = data->cx;
data->dy = screen_hsize(data->backing) + data->cy - data->oy;
window_copy_cursor_start_of_line(wme);
data->selrx = data->cx;
data->selry = screen_hsize(data->backing) + data->cy - data->oy;
data->endselrx = window_copy_find_length(wme, data->selry);
data->endselry = data->selry;
window_copy_start_selection(wme);
for (; np > 1; np--)
window_copy_cursor_down(wme, 0);
window_copy_cursor_end_of_line(wme);
return (WINDOW_COPY_CMD_REDRAW);
}
static enum window_copy_cmd_action
window_copy_cmd_select_word(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct session *s = cs->s;
struct window_copy_mode_data *data = wme->data;
u_int px, py;
data->lineflag = LINE_SEL_LEFT_RIGHT;
data->rectflag = 0;
data->selflag = SEL_WORD;
data->dx = data->cx;
data->dy = screen_hsize(data->backing) + data->cy - data->oy;
data->ws = options_get_string(s->options, "word-separators");
window_copy_cursor_previous_word(wme, data->ws, 0);
px = data->cx;
py = screen_hsize(data->backing) + data->cy - data->oy;
data->selrx = px;
data->selry = py;
window_copy_start_selection(wme);
if (px >= window_copy_find_length(wme, py) ||
!window_copy_in_set(wme, px + 1, py, data->ws))
window_copy_cursor_next_word_end(wme, data->ws, 1);
else {
window_copy_update_cursor(wme, px, data->cy);
if (window_copy_update_selection(wme, 1, 1))
window_copy_redraw_lines(wme, data->cy, 1);
}
data->endselrx = data->cx;
data->endselry = screen_hsize(data->backing) + data->cy - data->oy;
if (data->dx > data->endselrx)
data->dx = data->endselrx;
return (WINDOW_COPY_CMD_REDRAW);
}
static enum window_copy_cmd_action
window_copy_cmd_start_of_line(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
window_copy_cursor_start_of_line(wme);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_top_line(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
data->cx = 0;
data->cy = 0;
window_copy_update_selection(wme, 1, 0);
return (WINDOW_COPY_CMD_REDRAW);
}
static enum window_copy_cmd_action
window_copy_cmd_copy_pipe_no_clear(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct client *c = cs->c;
struct session *s = cs->s;
struct winlink *wl = cs->wl;
struct window_pane *wp = wme->wp;
char *command = NULL;
char *prefix = NULL;
if (cs->args->argc == 3)
prefix = format_single(NULL, cs->args->argv[2], c, s, wl, wp);
if (s != NULL && *cs->args->argv[1] != '\0') {
command = format_single(NULL, cs->args->argv[1], c, s, wl, wp);
window_copy_copy_pipe(wme, s, prefix, command);
free(command);
}
free(prefix);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_copy_pipe(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
window_copy_cmd_copy_pipe_no_clear(cs);
window_copy_clear_selection(wme);
return (WINDOW_COPY_CMD_REDRAW);
}
static enum window_copy_cmd_action
window_copy_cmd_copy_pipe_and_cancel(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
window_copy_cmd_copy_pipe_no_clear(cs);
window_copy_clear_selection(wme);
return (WINDOW_COPY_CMD_CANCEL);
}
static enum window_copy_cmd_action
window_copy_cmd_goto_line(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
const char *argument = cs->args->argv[1];
if (*argument != '\0')
window_copy_goto_line(wme, argument);
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_jump_backward(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix;
const char *argument = cs->args->argv[1];
if (*argument != '\0') {
data->jumptype = WINDOW_COPY_JUMPBACKWARD;
data->jumpchar = *argument;
for (; np != 0; np--)
window_copy_cursor_jump_back(wme);
}
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_jump_forward(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix;
const char *argument = cs->args->argv[1];
if (*argument != '\0') {
data->jumptype = WINDOW_COPY_JUMPFORWARD;
data->jumpchar = *argument;
for (; np != 0; np--)
window_copy_cursor_jump(wme);
}
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_jump_to_backward(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix;
const char *argument = cs->args->argv[1];
if (*argument != '\0') {
data->jumptype = WINDOW_COPY_JUMPTOBACKWARD;
data->jumpchar = *argument;
for (; np != 0; np--)
window_copy_cursor_jump_to_back(wme);
}
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_jump_to_forward(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix;
const char *argument = cs->args->argv[1];
if (*argument != '\0') {
data->jumptype = WINDOW_COPY_JUMPTOFORWARD;
data->jumpchar = *argument;
for (; np != 0; np--)
window_copy_cursor_jump_to(wme);
}
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_search_backward(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix;
if (!window_copy_expand_search_string(cs))
return (WINDOW_COPY_CMD_NOTHING);
if (data->searchstr != NULL) {
data->searchtype = WINDOW_COPY_SEARCHUP;
data->searchregex = 1;
for (; np != 0; np--)
window_copy_search_up(wme, 1);
}
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_search_backward_text(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix;
if (!window_copy_expand_search_string(cs))
return (WINDOW_COPY_CMD_NOTHING);
if (data->searchstr != NULL) {
data->searchtype = WINDOW_COPY_SEARCHUP;
data->searchregex = 0;
for (; np != 0; np--)
window_copy_search_up(wme, 0);
}
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_search_forward(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix;
if (!window_copy_expand_search_string(cs))
return (WINDOW_COPY_CMD_NOTHING);
if (data->searchstr != NULL) {
data->searchtype = WINDOW_COPY_SEARCHDOWN;
data->searchregex = 1;
for (; np != 0; np--)
window_copy_search_down(wme, 1);
}
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_search_forward_text(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
u_int np = wme->prefix;
if (!window_copy_expand_search_string(cs))
return (WINDOW_COPY_CMD_NOTHING);
if (data->searchstr != NULL) {
data->searchtype = WINDOW_COPY_SEARCHDOWN;
data->searchregex = 0;
for (; np != 0; np--)
window_copy_search_down(wme, 0);
}
return (WINDOW_COPY_CMD_NOTHING);
}
static enum window_copy_cmd_action
window_copy_cmd_search_backward_incremental(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
const char *argument = cs->args->argv[1];
const char *ss = data->searchstr;
char prefix;
enum window_copy_cmd_action action = WINDOW_COPY_CMD_NOTHING;
prefix = *argument++;
if (data->searchx == -1 || data->searchy == -1) {
data->searchx = data->cx;
data->searchy = data->cy;
data->searcho = data->oy;
} else if (ss != NULL && strcmp(argument, ss) != 0) {
data->cx = data->searchx;
data->cy = data->searchy;
data->oy = data->searcho;
action = WINDOW_COPY_CMD_REDRAW;
}
if (*argument == '\0') {
window_copy_clear_marks(wme);
return (WINDOW_COPY_CMD_REDRAW);
}
switch (prefix) {
case '=':
case '-':
data->searchtype = WINDOW_COPY_SEARCHUP;
data->searchregex = 0;
free(data->searchstr);
data->searchstr = xstrdup(argument);
if (!window_copy_search_up(wme, 0)) {
window_copy_clear_marks(wme);
return (WINDOW_COPY_CMD_REDRAW);
}
break;
case '+':
data->searchtype = WINDOW_COPY_SEARCHDOWN;
data->searchregex = 0;
free(data->searchstr);
data->searchstr = xstrdup(argument);
if (!window_copy_search_down(wme, 0)) {
window_copy_clear_marks(wme);
return (WINDOW_COPY_CMD_REDRAW);
}
break;
}
return (action);
}
static enum window_copy_cmd_action
window_copy_cmd_search_forward_incremental(struct window_copy_cmd_state *cs)
{
struct window_mode_entry *wme = cs->wme;
struct window_copy_mode_data *data = wme->data;
const char *argument = cs->args->argv[1];
const char *ss = data->searchstr;
char prefix;
enum window_copy_cmd_action action = WINDOW_COPY_CMD_NOTHING;
prefix = *argument++;
if (data->searchx == -1 || data->searchy == -1) {
data->searchx = data->cx;
data->searchy = data->cy;
data->searcho = data->oy;
} else if (ss != NULL && strcmp(argument, ss) != 0) {
data->cx = data->searchx;
data->cy = data->searchy;
data->oy = data->searcho;
action = WINDOW_COPY_CMD_REDRAW;
}
if (*argument == '\0') {
window_copy_clear_marks(wme);
return (WINDOW_COPY_CMD_REDRAW);
}
switch (prefix) {
case '=':
case '+':
data->searchtype = WINDOW_COPY_SEARCHDOWN;
data->searchregex = 0;
free(data->searchstr);
data->searchstr = xstrdup(argument);
if (!window_copy_search_down(wme, 0)) {
window_copy_clear_marks(wme);
return (WINDOW_COPY_CMD_REDRAW);
}
break;
case '-':
data->searchtype = WINDOW_COPY_SEARCHUP;
data->searchregex = 0;
free(data->searchstr);
data->searchstr = xstrdup(argument);
if (!window_copy_search_up(wme, 0)) {
window_copy_clear_marks(wme);
return (WINDOW_COPY_CMD_REDRAW);
}
}
return (action);
}
static const struct {
const char *command;
int minargs;
int maxargs;
int ismotion;
enum window_copy_cmd_action (*f)(struct window_copy_cmd_state *);
} window_copy_cmd_table[] = {
{ "append-selection", 0, 0, 0,
window_copy_cmd_append_selection },
{ "append-selection-and-cancel", 0, 0, 0,
window_copy_cmd_append_selection_and_cancel },
{ "back-to-indentation", 0, 0, 0,
window_copy_cmd_back_to_indentation },
{ "begin-selection", 0, 0, 0,
window_copy_cmd_begin_selection },
{ "bottom-line", 0, 0, 1,
window_copy_cmd_bottom_line },
{ "cancel", 0, 0, 0,
window_copy_cmd_cancel },
{ "clear-selection", 0, 0, 0,
window_copy_cmd_clear_selection },
{ "copy-end-of-line", 0, 1, 0,
window_copy_cmd_copy_end_of_line },
{ "copy-line", 0, 1, 0,
window_copy_cmd_copy_line },
{ "copy-pipe-no-clear", 1, 2, 0,
window_copy_cmd_copy_pipe_no_clear },
{ "copy-pipe", 1, 2, 0,
window_copy_cmd_copy_pipe },
{ "copy-pipe-and-cancel", 1, 2, 0,
window_copy_cmd_copy_pipe_and_cancel },
{ "copy-selection-no-clear", 0, 1, 0,
window_copy_cmd_copy_selection_no_clear },
{ "copy-selection", 0, 1, 0,
window_copy_cmd_copy_selection },
{ "copy-selection-and-cancel", 0, 1, 0,
window_copy_cmd_copy_selection_and_cancel },
{ "cursor-down", 0, 0, 1,
window_copy_cmd_cursor_down },
{ "cursor-down-and-cancel", 0, 0, 0,
window_copy_cmd_cursor_down_and_cancel },
{ "cursor-left", 0, 0, 1,
window_copy_cmd_cursor_left },
{ "cursor-right", 0, 0, 1,
window_copy_cmd_cursor_right },
{ "cursor-up", 0, 0, 1,
window_copy_cmd_cursor_up },
{ "end-of-line", 0, 0, 1,
window_copy_cmd_end_of_line },
{ "goto-line", 1, 1, 1,
window_copy_cmd_goto_line },
{ "halfpage-down", 0, 0, 1,
window_copy_cmd_halfpage_down },
{ "halfpage-down-and-cancel", 0, 0, 0,
window_copy_cmd_halfpage_down_and_cancel },
{ "halfpage-up", 0, 0, 1,
window_copy_cmd_halfpage_up },
{ "history-bottom", 0, 0, 1,
window_copy_cmd_history_bottom },
{ "history-top", 0, 0, 1,
window_copy_cmd_history_top },
{ "jump-again", 0, 0, 1,
window_copy_cmd_jump_again },
{ "jump-backward", 1, 1, 1,
window_copy_cmd_jump_backward },
{ "jump-forward", 1, 1, 1,
window_copy_cmd_jump_forward },
{ "jump-reverse", 0, 0, 1,
window_copy_cmd_jump_reverse },
{ "jump-to-backward", 1, 1, 1,
window_copy_cmd_jump_to_backward },
{ "jump-to-forward", 1, 1, 1,
window_copy_cmd_jump_to_forward },
{ "middle-line", 0, 0, 1,
window_copy_cmd_middle_line },
{ "next-matching-bracket", 0, 0, 0,
window_copy_cmd_next_matching_bracket },
{ "next-paragraph", 0, 0, 1,
window_copy_cmd_next_paragraph },
{ "next-space", 0, 0, 1,
window_copy_cmd_next_space },
{ "next-space-end", 0, 0, 1,
window_copy_cmd_next_space_end },
{ "next-word", 0, 0, 1,
window_copy_cmd_next_word },
{ "next-word-end", 0, 0, 1,
window_copy_cmd_next_word_end },
{ "other-end", 0, 0, 1,
window_copy_cmd_other_end },
{ "page-down", 0, 0, 1,
window_copy_cmd_page_down },
{ "page-down-and-cancel", 0, 0, 0,
window_copy_cmd_page_down_and_cancel },
{ "page-up", 0, 0, 1,
window_copy_cmd_page_up },
{ "previous-matching-bracket", 0, 0, 0,
window_copy_cmd_previous_matching_bracket },
{ "previous-paragraph", 0, 0, 1,
window_copy_cmd_previous_paragraph },
{ "previous-space", 0, 0, 1,
window_copy_cmd_previous_space },
{ "previous-word", 0, 0, 1,
window_copy_cmd_previous_word },
{ "rectangle-toggle", 0, 0, 0,
window_copy_cmd_rectangle_toggle },
{ "scroll-down", 0, 0, 1,
window_copy_cmd_scroll_down },
{ "scroll-down-and-cancel", 0, 0, 0,
window_copy_cmd_scroll_down_and_cancel },
{ "scroll-up", 0, 0, 1,
window_copy_cmd_scroll_up },
{ "search-again", 0, 0, 0,
window_copy_cmd_search_again },
{ "search-backward", 0, 1, 0,
window_copy_cmd_search_backward },
{ "search-backward-text", 0, 1, 0,
window_copy_cmd_search_backward_text },
{ "search-backward-incremental", 1, 1, 0,
window_copy_cmd_search_backward_incremental },
{ "search-forward", 0, 1, 0,
window_copy_cmd_search_forward },
{ "search-forward-text", 0, 1, 0,
window_copy_cmd_search_forward_text },
{ "search-forward-incremental", 1, 1, 0,
window_copy_cmd_search_forward_incremental },
{ "search-reverse", 0, 0, 0,
window_copy_cmd_search_reverse },
{ "select-line", 0, 0, 0,
window_copy_cmd_select_line },
{ "select-word", 0, 0, 0,
window_copy_cmd_select_word },
{ "start-of-line", 0, 0, 1,
window_copy_cmd_start_of_line },
{ "stop-selection", 0, 0, 0,
window_copy_cmd_stop_selection },
{ "top-line", 0, 0, 1,
window_copy_cmd_top_line },
};
static void
window_copy_command(struct window_mode_entry *wme, struct client *c,
struct session *s, struct winlink *wl, struct args *args,
struct mouse_event *m)
{
struct window_copy_mode_data *data = wme->data;
struct window_copy_cmd_state cs;
enum window_copy_cmd_action action;
const char *command;
u_int i;
int ismotion = 0, keys;
if (args->argc == 0)
return;
command = args->argv[0];
if (m != NULL && m->valid && !MOUSE_WHEEL(m->b))
window_copy_move_mouse(m);
cs.wme = wme;
cs.args = args;
cs.m = m;
cs.c = c;
cs.s = s;
cs.wl = wl;
action = WINDOW_COPY_CMD_NOTHING;
for (i = 0; i < nitems(window_copy_cmd_table); i++) {
if (strcmp(window_copy_cmd_table[i].command, command) == 0) {
if (args->argc - 1 < window_copy_cmd_table[i].minargs ||
args->argc - 1 > window_copy_cmd_table[i].maxargs)
break;
ismotion = window_copy_cmd_table[i].ismotion;
action = window_copy_cmd_table[i].f (&cs);
break;
}
}
if (strncmp(command, "search-", 7) != 0 && data->searchmark != NULL) {
keys = options_get_number(wme->wp->window->options, "mode-keys");
if (keys != MODEKEY_VI || !ismotion) {
window_copy_clear_marks(wme);
data->searchx = data->searchy = -1;
} else if (data->searchthis != -1) {
data->searchthis = -1;
action = WINDOW_COPY_CMD_REDRAW;
}
if (action == WINDOW_COPY_CMD_NOTHING)
action = WINDOW_COPY_CMD_REDRAW;
}
wme->prefix = 1;
if (action == WINDOW_COPY_CMD_CANCEL)
window_pane_reset_mode(wme->wp);
else if (action == WINDOW_COPY_CMD_REDRAW)
window_copy_redraw_screen(wme);
}
static void
window_copy_scroll_to(struct window_mode_entry *wme, u_int px, u_int py)
{
struct window_copy_mode_data *data = wme->data;
struct grid *gd = data->backing->grid;
u_int offset, gap;
data->cx = px;
if (py >= gd->hsize - data->oy && py < gd->hsize - data->oy + gd->sy)
data->cy = py - (gd->hsize - data->oy);
else {
gap = gd->sy / 4;
if (py < gd->sy) {
offset = 0;
data->cy = py;
} else if (py > gd->hsize + gd->sy - gap) {
offset = gd->hsize;
data->cy = py - gd->hsize;
} else {
offset = py + gap - gd->sy;
data->cy = py - offset;
}
data->oy = gd->hsize - offset;
}
window_copy_update_selection(wme, 1, 0);
window_copy_redraw_screen(wme);
}
static int
window_copy_search_compare(struct grid *gd, u_int px, u_int py,
struct grid *sgd, u_int spx, int cis)
{
struct grid_cell gc, sgc;
const struct utf8_data *ud, *sud;
grid_get_cell(gd, px, py, &gc);
ud = &gc.data;
grid_get_cell(sgd, spx, 0, &sgc);
sud = &sgc.data;
if (ud->size != sud->size || ud->width != sud->width)
return (0);
if (cis && ud->size == 1)
return (tolower(ud->data[0]) == sud->data[0]);
return (memcmp(ud->data, sud->data, ud->size) == 0);
}
static int
window_copy_search_lr(struct grid *gd,
struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last, int cis)
{
u_int ax, bx, px, pywrap, endline;
int matched;
struct grid_line *gl;
endline = gd->hsize + gd->sy - 1;
for (ax = first; ax < last; ax++) {
for (bx = 0; bx < sgd->sx; bx++) {
px = ax + bx;
pywrap = py;
/* Wrap line. */
while (px >= gd->sx && pywrap < endline) {
gl = grid_get_line(gd, pywrap);
if (~gl->flags & GRID_LINE_WRAPPED)
break;
px -= gd->sx;
pywrap++;
}
/* We have run off the end of the grid. */
if (px >= gd->sx)
break;
matched = window_copy_search_compare(gd, px, pywrap,
sgd, bx, cis);
if (!matched)
break;
}
if (bx == sgd->sx) {
*ppx = ax;
return (1);
}
}
return (0);
}
static int
window_copy_search_rl(struct grid *gd,
struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last, int cis)
{
u_int ax, bx, px, pywrap, endline;
int matched;
struct grid_line *gl;
endline = gd->hsize + gd->sy - 1;
for (ax = last; ax > first; ax--) {
for (bx = 0; bx < sgd->sx; bx++) {
px = ax - 1 + bx;
pywrap = py;
/* Wrap line. */
while (px >= gd->sx && pywrap < endline) {
gl = grid_get_line(gd, pywrap);
if (~gl->flags & GRID_LINE_WRAPPED)
break;
px -= gd->sx;
pywrap++;
}
/* We have run off the end of the grid. */
if (px >= gd->sx)
break;
matched = window_copy_search_compare(gd, px, pywrap,
sgd, bx, cis);
if (!matched)
break;
}
if (bx == sgd->sx) {
*ppx = ax - 1;
return (1);
}
}
return (0);
}
static int
window_copy_search_lr_regex(struct grid *gd, u_int *ppx, u_int *psx, u_int py,
u_int first, u_int last, regex_t *reg)
{
int eflags = 0;
u_int endline, foundx, foundy, len, pywrap, size = 1;
char *buf;
regmatch_t regmatch;
struct grid_line *gl;
/*
* This can happen during search if the last match was the last
* character on a line.
*/
if (first >= last)
return (0);
/* Set flags for regex search. */
if (first != 0)
eflags |= REG_NOTBOL;
/* Need to look at the entire string. */
buf = xmalloc(size);
buf[0] = '\0';
buf = window_copy_stringify(gd, py, first, gd->sx, buf, &size);
len = gd->sx - first;
endline = gd->hsize + gd->sy - 1;
pywrap = py;
while (buf != NULL && pywrap <= endline) {
gl = grid_get_line(gd, pywrap);
if (~gl->flags & GRID_LINE_WRAPPED)
break;
pywrap++;
buf = window_copy_stringify(gd, pywrap, 0, gd->sx, buf, &size);
len += gd->sx;
}
if (regexec(reg, buf, 1, &regmatch, eflags) == 0) {
foundx = first;
foundy = py;
window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
buf + regmatch.rm_so);
if (foundy == py && foundx < last) {
*ppx = foundx;
len -= foundx - first;
window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
buf + regmatch.rm_eo);
*psx = foundx;
while (foundy > py) {
*psx += gd->sx;
foundy--;
}
*psx -= *ppx;
free(buf);
return (1);
}
}
free(buf);
*ppx = 0;
*psx = 0;
return (0);
}
static int
window_copy_search_rl_regex(struct grid *gd, u_int *ppx, u_int *psx, u_int py,
u_int first, u_int last, regex_t *reg)
{
int eflags = 0;
u_int endline, len, pywrap, size = 1;
char *buf;
struct grid_line *gl;
/* Set flags for regex search. */
if (first != 0)
eflags |= REG_NOTBOL;
/* Need to look at the entire string. */
buf = xmalloc(size);
buf[0] = '\0';
buf = window_copy_stringify(gd, py, first, gd->sx, buf, &size);
len = gd->sx - first;
endline = gd->hsize + gd->sy - 1;
pywrap = py;
while (buf != NULL && (pywrap <= endline)) {
gl = grid_get_line(gd, pywrap);
if (~gl->flags & GRID_LINE_WRAPPED)
break;
pywrap++;
buf = window_copy_stringify(gd, pywrap, 0, gd->sx, buf, &size);
len += gd->sx;
}
if (window_copy_last_regex(gd, py, first, last, len, ppx, psx, buf,
reg, eflags))
{
free(buf);
return (1);
}
free(buf);
*ppx = 0;
*psx = 0;
return (0);
}
static const char *
window_copy_cellstring(const struct grid_line *gl, u_int px, size_t *size)
{
struct grid_cell_entry *gce;
if (px >= gl->cellsize) {
*size = 1;
return (" ");
}
gce = &gl->celldata[px];
if (~gce->flags & GRID_FLAG_EXTENDED) {
*size = 1;
return (&gce->data.data);
}
*size = gl->extddata[gce->offset].data.size;
return (gl->extddata[gce->offset].data.data);
}
/* Find last match in given range. */
static int
window_copy_last_regex(struct grid *gd, u_int py, u_int first, u_int last,
u_int len, u_int *ppx, u_int *psx, const char *buf, const regex_t *preg,
int eflags)
{
u_int foundx, foundy, oldx, px = 0, savepx, savesx = 0;
regmatch_t regmatch;
foundx = first;
foundy = py;
oldx = first;
while (regexec(preg, buf + px, 1, &regmatch, eflags) == 0) {
window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
buf + px + regmatch.rm_so);
if (foundy > py || foundx >= last)
break;
len -= foundx - oldx;
savepx = foundx;
window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
buf + px + regmatch.rm_eo);
if (foundy > py || foundx >= last) {
*ppx = savepx;
*psx = foundx;
while (foundy > py) {
*psx += gd->sx;
foundy--;
}
*psx -= *ppx;
return (1);
} else {
savesx = foundx - savepx;
len -= savesx;
oldx = foundx;
}
px += regmatch.rm_eo;
}
if (savesx > 0) {
*ppx = savepx;
*psx = savesx;
return (1);
} else {
*ppx = 0;
*psx = 0;
return (0);
}
}
/* Stringify line and append to input buffer. Caller frees. */
static char *
window_copy_stringify(struct grid *gd, u_int py, u_int first, u_int last,
char *buf, u_int *size)
{
u_int ax, bx, newsize = *size;
const struct grid_line *gl;
const char *d;
size_t bufsize = 1024, dlen;
while (bufsize < newsize)
bufsize *= 2;
buf = xrealloc(buf, bufsize);
gl = grid_peek_line(gd, py);
bx = *size - 1;
for (ax = first; ax < last; ax++) {
d = window_copy_cellstring(gl, ax, &dlen);
newsize += dlen;
while (bufsize < newsize) {
bufsize *= 2;
buf = xrealloc(buf, bufsize);
}
if (dlen == 1)
buf[bx++] = *d;
else {
memcpy(buf + bx, d, dlen);
bx += dlen;
}
}
buf[newsize - 1] = '\0';
*size = newsize;
return (buf);
}
/* Map start of C string containing UTF-8 data to grid cell position. */
static void
window_copy_cstrtocellpos(struct grid *gd, u_int ncells, u_int *ppx, u_int *ppy,
const char *str)
{
u_int cell, ccell, px, pywrap, pos, len;
int match;
const struct grid_line *gl;
const char *d;
size_t dlen;
struct {
const char *d;
size_t dlen;
} *cells;
/* Populate the array of cell data. */
cells = xreallocarray(NULL, ncells, sizeof cells[0]);
cell = 0;
px = *ppx;
pywrap = *ppy;
gl = grid_peek_line(gd, pywrap);
while (cell < ncells) {
cells[cell].d = window_copy_cellstring(gl, px,
&cells[cell].dlen);
cell++;
px++;
if (px == gd->sx) {
px = 0;
pywrap++;
gl = grid_peek_line(gd, pywrap);
}
}
/* Locate starting cell. */
cell = 0;
len = strlen(str);
while (cell < ncells) {
ccell = cell;
pos = 0;
match = 1;
while (ccell < ncells) {
if (str[pos] == '\0') {
match = 0;
break;
}
d = cells[ccell].d;
dlen = cells[ccell].dlen;
if (dlen == 1) {
if (str[pos] != *d) {
match = 0;
break;
}
pos++;
} else {
if (dlen > len - pos)
dlen = len - pos;
if (memcmp(str + pos, d, dlen) != 0) {
match = 0;
break;
}
pos += dlen;
}
ccell++;
}
if (match)
break;
cell++;
}
/* If not found this will be one past the end. */
px = *ppx + cell;
pywrap = *ppy;
while (px >= gd->sx) {
px -= gd->sx;
pywrap++;
}
*ppx = px;
*ppy = pywrap;
/* Free cell data. */
free(cells);
}
static void
window_copy_move_left(struct screen *s, u_int *fx, u_int *fy, int wrapflag)
{
if (*fx == 0) { /* left */
if (*fy == 0) { /* top */
if (wrapflag) {
*fx = screen_size_x(s) - 1;
*fy = screen_hsize(s) + screen_size_y(s) - 1;
}
return;
}
*fx = screen_size_x(s) - 1;
*fy = *fy - 1;
} else
*fx = *fx - 1;
}
static void
window_copy_move_right(struct screen *s, u_int *fx, u_int *fy, int wrapflag)
{
if (*fx == screen_size_x(s) - 1) { /* right */
if (*fy == screen_hsize(s) + screen_size_y(s) - 1) { /* bottom */
if (wrapflag) {
*fx = 0;
*fy = 0;
}
return;
}
*fx = 0;
*fy = *fy + 1;
} else
*fx = *fx + 1;
}
static int
window_copy_is_lowercase(const char *ptr)
{
while (*ptr != '\0') {
if (*ptr != tolower((u_char)*ptr))
return (0);
++ptr;
}
return (1);
}
/*
* Search for text stored in sgd starting from position fx,fy up to endline. If
* found, jump to it. If cis then ignore case. The direction is 0 for searching
* up, down otherwise. If wrap then go to begin/end of grid and try again if
* not found.
*/
static int
window_copy_search_jump(struct window_mode_entry *wme, struct grid *gd,
struct grid *sgd, u_int fx, u_int fy, u_int endline, int cis, int wrap,
int direction, int regex)
{
u_int i, px, sx, ssize = 1;
int found = 0, cflags = REG_EXTENDED;
char *sbuf;
regex_t reg;
if (regex) {
sbuf = xmalloc(ssize);
sbuf[0] = '\0';
sbuf = window_copy_stringify(sgd, 0, 0, sgd->sx, sbuf, &ssize);
if (cis)
cflags |= REG_ICASE;
if (regcomp(&reg, sbuf, cflags) != 0) {
free(sbuf);
return (0);
}
}
if (direction) {
for (i = fy; i <= endline; i++) {
if (regex) {
found = window_copy_search_lr_regex(gd,
&px, &sx, i, fx, gd->sx, &reg);
} else {
found = window_copy_search_lr(gd, sgd,
&px, i, fx, gd->sx, cis);
}
if (found)
break;
fx = 0;
}
} else {
for (i = fy + 1; endline < i; i--) {
if (regex) {
found = window_copy_search_rl_regex(gd,
&px, &sx, i - 1, 0, fx + 1, &reg);
} else {
found = window_copy_search_rl(gd, sgd,
&px, i - 1, 0, fx + 1, cis);
}
if (found) {
i--;
break;
}
fx = gd->sx - 1;
}
}
if (regex) {
free(sbuf);
regfree(&reg);
}
if (found) {
window_copy_scroll_to(wme, px, i);
return (1);
}
if (wrap) {
return (window_copy_search_jump(wme, gd, sgd,
direction ? 0 : gd->sx - 1,
direction ? 0 : gd->hsize + gd->sy - 1, fy, cis, 0,
direction, regex));
}
return (0);
}
/*
* Search in for text searchstr. If direction is 0 then search up, otherwise
* down.
*/
static int
window_copy_search(struct window_mode_entry *wme, int direction, int regex)
{
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data = wme->data;
struct screen *s = data->backing, ss;
struct screen_write_ctx ctx;
struct grid *gd = s->grid;
const char *str = data->searchstr;
u_int fx, fy, endline;
int wrapflag, cis, found;
if (regex && str[strcspn(str, "^$*+()?[].\\")] == '\0')
regex = 0;
free(wp->searchstr);
wp->searchstr = xstrdup(str);
wp->searchregex = regex;
fx = data->cx;
fy = screen_hsize(data->backing) - data->oy + data->cy;
screen_init(&ss, screen_write_strlen("%s", str), 1, 0);
screen_write_start(&ctx, NULL, &ss);
screen_write_nputs(&ctx, -1, &grid_default_cell, "%s", str);
screen_write_stop(&ctx);
wrapflag = options_get_number(wp->window->options, "wrap-search");
cis = window_copy_is_lowercase(str);
if (direction) {
window_copy_move_right(s, &fx, &fy, wrapflag);
endline = gd->hsize + gd->sy - 1;
} else {
window_copy_move_left(s, &fx, &fy, wrapflag);
endline = 0;
}
found = window_copy_search_jump(wme, gd, ss.grid, fx, fy, endline, cis,
wrapflag, direction, regex);
if (window_copy_search_marks(wme, &ss, regex))
window_copy_redraw_screen(wme);
screen_free(&ss);
return (found);
}
static int
window_copy_search_marks(struct window_mode_entry *wme, struct screen *ssp,
int regex)
{
struct window_copy_mode_data *data = wme->data;
struct screen *s = data->backing, ss;
struct screen_write_ctx ctx;
struct grid *gd = s->grid;
int found, cis, which = -1;
int cflags = REG_EXTENDED;
u_int px, py, b, nfound = 0, width;
u_int ssize = 1;
char *sbuf;
regex_t reg;
if (ssp == NULL) {
width = screen_write_strlen("%s", data->searchstr);
screen_init(&ss, width, 1, 0);
screen_write_start(&ctx, NULL, &ss);
screen_write_nputs(&ctx, -1, &grid_default_cell, "%s",
data->searchstr);
screen_write_stop(&ctx);
ssp = &ss;
} else
width = screen_size_x(ssp);
cis = window_copy_is_lowercase(data->searchstr);
free(data->searchmark);
data->searchmark = bit_alloc((gd->hsize + gd->sy) * gd->sx);
if (regex) {
sbuf = xmalloc(ssize);
sbuf[0] = '\0';
sbuf = window_copy_stringify(ssp->grid, 0, 0, ssp->grid->sx,
sbuf, &ssize);
if (cis)
cflags |= REG_ICASE;
if (regcomp(&reg, sbuf, cflags) != 0) {
free(sbuf);
return (0);
}
}
for (py = 0; py < gd->hsize + gd->sy; py++) {
px = 0;
for (;;) {
if (regex) {
found = window_copy_search_lr_regex(gd,
&px, &width, py, px, gd->sx, &reg);
if (!found)
break;
} else {
found = window_copy_search_lr(gd, ssp->grid,
&px, py, px, gd->sx, cis);
if (!found)
break;
}
nfound++;
if (px == data->cx &&
py == gd->hsize + data->cy - data->oy)
which = nfound;
b = (py * gd->sx) + px;
bit_nset(data->searchmark, b, b + width - 1);
px++;
}
}
if (regex) {
free(sbuf);
regfree(&reg);
}
if (which != -1)
data->searchthis = 1 + nfound - which;
else
data->searchthis = -1;
data->searchcount = nfound;
if (ssp == &ss)
screen_free(&ss);
return (nfound);
}
static void
window_copy_clear_marks(struct window_mode_entry *wme)
{
struct window_copy_mode_data *data = wme->data;
free(data->searchmark);
data->searchmark = NULL;
}
static int
window_copy_search_up(struct window_mode_entry *wme, int regex)
{
return (window_copy_search(wme, 0, regex));
}
static int
window_copy_search_down(struct window_mode_entry *wme, int regex)
{
return (window_copy_search(wme, 1, regex));
}
static void
window_copy_goto_line(struct window_mode_entry *wme, const char *linestr)
{
struct window_copy_mode_data *data = wme->data;
const char *errstr;
int lineno;
lineno = strtonum(linestr, -1, INT_MAX, &errstr);
if (errstr != NULL)
return;
if (lineno < 0 || (u_int)lineno > screen_hsize(data->backing))
lineno = screen_hsize(data->backing);
data->oy = lineno;
window_copy_update_selection(wme, 1, 0);
window_copy_redraw_screen(wme);
}
static void
window_copy_write_line(struct window_mode_entry *wme,
struct screen_write_ctx *ctx, u_int py)
{
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data = wme->data;
struct screen *s = &data->screen;
struct options *oo = wp->window->options;
struct grid_cell gc;
char hdr[512];
size_t size = 0;
style_apply(&gc, oo, "mode-style");
gc.flags |= GRID_FLAG_NOPALETTE;
if (py == 0 && s->rupper < s->rlower && !data->hide_position) {
if (data->searchmark == NULL) {
size = xsnprintf(hdr, sizeof hdr,
"[%u/%u]", data->oy, screen_hsize(data->backing));
} else {
if (data->searchthis == -1) {
size = xsnprintf(hdr, sizeof hdr,
"(%u results) [%d/%u]", data->searchcount,
data->oy, screen_hsize(data->backing));
} else {
size = xsnprintf(hdr, sizeof hdr,
"(%u/%u results) [%d/%u]", data->searchthis,
data->searchcount, data->oy,
screen_hsize(data->backing));
}
}
if (size > screen_size_x(s))
size = screen_size_x(s);
screen_write_cursormove(ctx, screen_size_x(s) - size, 0, 0);
screen_write_puts(ctx, &gc, "%s", hdr);
} else
size = 0;
if (size < screen_size_x(s)) {
screen_write_cursormove(ctx, 0, py, 0);
screen_write_copy(ctx, data->backing, 0,
(screen_hsize(data->backing) - data->oy) + py,
screen_size_x(s) - size, 1, data->searchmark, &gc);
}
if (py == data->cy && data->cx == screen_size_x(s)) {
memcpy(&gc, &grid_default_cell, sizeof gc);
screen_write_cursormove(ctx, screen_size_x(s) - 1, py, 0);
screen_write_putc(ctx, &gc, '$');
}
}
static void
window_copy_write_lines(struct window_mode_entry *wme,
struct screen_write_ctx *ctx, u_int py, u_int ny)
{
u_int yy;
for (yy = py; yy < py + ny; yy++)
window_copy_write_line(wme, ctx, py);
}
static void
window_copy_redraw_selection(struct window_mode_entry *wme, u_int old_y)
{
struct window_copy_mode_data *data = wme->data;
struct grid *gd = data->backing->grid;
u_int new_y, start, end;
new_y = data->cy;
if (old_y <= new_y) {
start = old_y;
end = new_y;
} else {
start = new_y;
end = old_y;
}
/*
* In word selection mode the first word on the line below the cursor
* might be selected, so add this line to the redraw area.
*/
if (data->selflag == SEL_WORD) {
/* Last grid line in data coordinates. */
if (end < gd->sy + data->oy - 1)
end++;
}
window_copy_redraw_lines(wme, start, end - start + 1);
}
static void
window_copy_redraw_lines(struct window_mode_entry *wme, u_int py, u_int ny)
{
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data = wme->data;
struct screen_write_ctx ctx;
u_int i;
screen_write_start(&ctx, wp, NULL);
for (i = py; i < py + ny; i++)
window_copy_write_line(wme, &ctx, i);
screen_write_cursormove(&ctx, data->cx, data->cy, 0);
screen_write_stop(&ctx);
}
static void
window_copy_redraw_screen(struct window_mode_entry *wme)
{
struct window_copy_mode_data *data = wme->data;
window_copy_redraw_lines(wme, 0, screen_size_y(&data->screen));
}
static void
window_copy_synchronize_cursor_end(struct window_mode_entry *wme, int begin,
int no_reset)
{
struct window_copy_mode_data *data = wme->data;
u_int xx, yy;
yy = screen_hsize(data->backing) + data->cy - data->oy;
switch (data->selflag) {
case SEL_WORD:
xx = data->cx;
if (no_reset)
break;
begin = 0;
if (data->dy > yy || (data->dy == yy && data->dx > xx)) {
/* Right to left selection. */
window_copy_cursor_previous_word_pos(wme, data->ws, 0,
&xx, &yy);
begin = 1;
/* Reset the end. */
data->endselx = data->endselrx;
data->endsely = data->endselry;
} else {
/* Left to right selection. */
if (xx >= window_copy_find_length(wme, yy) ||
!window_copy_in_set(wme, xx + 1, yy, data->ws))
window_copy_cursor_next_word_end_pos(wme,
data->ws, &xx, &yy);
/* Reset the start. */
data->selx = data->selrx;
data->sely = data->selry;
}
break;
case SEL_LINE:
if (no_reset) {
xx = data->cx;
break;
}
begin = 0;
if (data->dy > yy) {
/* Right to left selection. */
xx = 0;
begin = 1;
/* Reset the end. */
data->endselx = data->endselrx;
data->endsely = data->endselry;
} else {
/* Left to right selection. */
xx = window_copy_find_length(wme, yy);
/* Reset the start. */
data->selx = data->selrx;
data->sely = data->selry;
}
break;
case SEL_CHAR:
xx = data->cx;
break;
}
if (begin) {
data->selx = xx;
data->sely = yy;
} else {
data->endselx = xx;
data->endsely = yy;
}
}
static void
window_copy_synchronize_cursor(struct window_mode_entry *wme, int no_reset)
{
struct window_copy_mode_data *data = wme->data;
switch (data->cursordrag) {
case CURSORDRAG_ENDSEL:
window_copy_synchronize_cursor_end(wme, 0, no_reset);
break;
case CURSORDRAG_SEL:
window_copy_synchronize_cursor_end(wme, 1, no_reset);
break;
case CURSORDRAG_NONE:
break;
}
}
static void
window_copy_update_cursor(struct window_mode_entry *wme, u_int cx, u_int cy)
{
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data = wme->data;
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
u_int old_cx, old_cy;
old_cx = data->cx; old_cy = data->cy;
data->cx = cx; data->cy = cy;
if (old_cx == screen_size_x(s))
window_copy_redraw_lines(wme, old_cy, 1);
if (data->cx == screen_size_x(s))
window_copy_redraw_lines(wme, data->cy, 1);
else {
screen_write_start(&ctx, wp, NULL);
screen_write_cursormove(&ctx, data->cx, data->cy, 0);
screen_write_stop(&ctx);
}
}
static void
window_copy_start_selection(struct window_mode_entry *wme)
{
struct window_copy_mode_data *data = wme->data;
data->selx = data->cx;
data->sely = screen_hsize(data->backing) + data->cy - data->oy;
data->endselx = data->selx;
data->endsely = data->sely;
data->cursordrag = CURSORDRAG_ENDSEL;
window_copy_set_selection(wme, 1, 0);
}
static int
window_copy_adjust_selection(struct window_mode_entry *wme, u_int *selx,
u_int *sely)
{
struct window_copy_mode_data *data = wme->data;
struct screen *s = &data->screen;
u_int sx, sy, ty;
int relpos;
sx = *selx;
sy = *sely;
ty = screen_hsize(data->backing) - data->oy;
if (sy < ty) {
relpos = WINDOW_COPY_REL_POS_ABOVE;
if (!data->rectflag)
sx = 0;
sy = 0;
} else if (sy > ty + screen_size_y(s) - 1) {
relpos = WINDOW_COPY_REL_POS_BELOW;
if (!data->rectflag)
sx = screen_size_x(s) - 1;
sy = screen_size_y(s) - 1;
} else {
relpos = WINDOW_COPY_REL_POS_ON_SCREEN;
sy -= ty;
}
*selx = sx;
*sely = sy;
return (relpos);
}
static int
window_copy_update_selection(struct window_mode_entry *wme, int may_redraw,
int no_reset)
{
struct window_copy_mode_data *data = wme->data;
struct screen *s = &data->screen;
if (s->sel == NULL && data->lineflag == LINE_SEL_NONE)
return (0);
return (window_copy_set_selection(wme, may_redraw, no_reset));
}
static int
window_copy_set_selection(struct window_mode_entry *wme, int may_redraw,
int no_reset)
{
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data = wme->data;
struct screen *s = &data->screen;
struct options *oo = wp->window->options;
struct grid_cell gc;
u_int sx, sy, cy, endsx, endsy;
int startrelpos, endrelpos;
window_copy_synchronize_cursor(wme, no_reset);
/* Adjust the selection. */
sx = data->selx;
sy = data->sely;
startrelpos = window_copy_adjust_selection(wme, &sx, &sy);
/* Adjust the end of selection. */
endsx = data->endselx;
endsy = data->endsely;
endrelpos = window_copy_adjust_selection(wme, &endsx, &endsy);
/* Selection is outside of the current screen */
if (startrelpos == endrelpos &&
startrelpos != WINDOW_COPY_REL_POS_ON_SCREEN) {
screen_hide_selection(s);
return (0);
}
/* Set colours and selection. */
style_apply(&gc, oo, "mode-style");
gc.flags |= GRID_FLAG_NOPALETTE;
screen_set_selection(s, sx, sy, endsx, endsy, data->rectflag,
data->modekeys, &gc);
if (data->rectflag && may_redraw) {
/*
* Can't rely on the caller to redraw the right lines for
* rectangle selection - find the highest line and the number
* of lines, and redraw just past that in both directions
*/
cy = data->cy;
if (data->cursordrag == CURSORDRAG_ENDSEL) {
if (sy < cy)
window_copy_redraw_lines(wme, sy, cy - sy + 1);
else
window_copy_redraw_lines(wme, cy, sy - cy + 1);
} else {
if (endsy < cy) {
window_copy_redraw_lines(wme, endsy,
cy - endsy + 1);
} else {
window_copy_redraw_lines(wme, cy,
endsy - cy + 1);
}
}
}
return (1);
}
static void *
window_copy_get_selection(struct window_mode_entry *wme, size_t *len)
{
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data = wme->data;
struct screen *s = &data->screen;
char *buf;
size_t off;
u_int i, xx, yy, sx, sy, ex, ey, ey_last;
u_int firstsx, lastex, restex, restsx, selx;
int keys;
if (data->screen.sel == NULL && data->lineflag == LINE_SEL_NONE)
return (NULL);
buf = xmalloc(1);
off = 0;
*buf = '\0';
/*
* The selection extends from selx,sely to (adjusted) cx,cy on
* the base screen.
*/
/* Find start and end. */
xx = data->endselx;
yy = data->endsely;
if (yy < data->sely || (yy == data->sely && xx < data->selx)) {
sx = xx; sy = yy;
ex = data->selx; ey = data->sely;
} else {
sx = data->selx; sy = data->sely;
ex = xx; ey = yy;
}
/* Trim ex to end of line. */
ey_last = window_copy_find_length(wme, ey);
if (ex > ey_last)
ex = ey_last;
/*
* Deal with rectangle-copy if necessary; four situations: start of
* first line (firstsx), end of last line (lastex), start (restsx) and
* end (restex) of all other lines.
*/
xx = screen_size_x(s);
/*
* Behave according to mode-keys. If it is emacs, copy like emacs,
* keeping the top-left-most character, and dropping the
* bottom-right-most, regardless of copy direction. If it is vi, also
* keep bottom-right-most character.
*/
keys = options_get_number(wp->window->options, "mode-keys");
if (data->rectflag) {
/*
* Need to ignore the column with the cursor in it, which for
* rectangular copy means knowing which side the cursor is on.
*/
if (data->cursordrag == CURSORDRAG_ENDSEL)
selx = data->selx;
else
selx = data->endselx;
if (selx < data->cx) {
/* Selection start is on the left. */
if (keys == MODEKEY_EMACS) {
lastex = data->cx;
restex = data->cx;
}
else {
lastex = data->cx + 1;
restex = data->cx + 1;
}
firstsx = selx;
restsx = selx;
} else {
/* Cursor is on the left. */
lastex = selx + 1;
restex = selx + 1;
firstsx = data->cx;
restsx = data->cx;
}
} else {
if (keys == MODEKEY_EMACS)
lastex = ex;
else
lastex = ex + 1;
restex = xx;
firstsx = sx;
restsx = 0;
}
/* Copy the lines. */
for (i = sy; i <= ey; i++) {
window_copy_copy_line(wme, &buf, &off, i,
(i == sy ? firstsx : restsx),
(i == ey ? lastex : restex));
}
/* Don't bother if no data. */
if (off == 0) {
free(buf);
return (NULL);
}
if (keys == MODEKEY_EMACS || lastex <= ey_last)
off -= 1; /* remove final \n (unless at end in vi mode) */
*len = off;
return (buf);
}
static void
window_copy_copy_buffer(struct window_mode_entry *wme, const char *prefix,
void *buf, size_t len)
{
struct window_pane *wp = wme->wp;
struct screen_write_ctx ctx;
if (options_get_number(global_options, "set-clipboard") != 0) {
screen_write_start(&ctx, wp, NULL);
screen_write_setselection(&ctx, buf, len);
screen_write_stop(&ctx);
notify_pane("pane-set-clipboard", wp);
}
paste_add(prefix, buf, len);
}
static void
window_copy_copy_pipe(struct window_mode_entry *wme, struct session *s,
const char *prefix, const char *cmd)
{
void *buf;
size_t len;
struct job *job;
buf = window_copy_get_selection(wme, &len);
if (buf == NULL)
return;
job = job_run(cmd, s, NULL, NULL, NULL, NULL, NULL, JOB_NOWAIT, -1, -1);
bufferevent_write(job_get_event(job), buf, len);
window_copy_copy_buffer(wme, prefix, buf, len);
}
static void
window_copy_copy_selection(struct window_mode_entry *wme, const char *prefix)
{
char *buf;
size_t len;
buf = window_copy_get_selection(wme, &len);
if (buf != NULL)
window_copy_copy_buffer(wme, prefix, buf, len);
}
static void
window_copy_append_selection(struct window_mode_entry *wme)
{
struct window_pane *wp = wme->wp;
char *buf;
struct paste_buffer *pb;
const char *bufdata, *bufname = NULL;
size_t len, bufsize;
struct screen_write_ctx ctx;
buf = window_copy_get_selection(wme, &len);
if (buf == NULL)
return;
if (options_get_number(global_options, "set-clipboard") != 0) {
screen_write_start(&ctx, wp, NULL);
screen_write_setselection(&ctx, buf, len);
screen_write_stop(&ctx);
notify_pane("pane-set-clipboard", wp);
}
pb = paste_get_top(&bufname);
if (pb != NULL) {
bufdata = paste_buffer_data(pb, &bufsize);
buf = xrealloc(buf, len + bufsize);
memmove(buf + bufsize, buf, len);
memcpy(buf, bufdata, bufsize);
len += bufsize;
}
if (paste_set(buf, len, bufname, NULL) != 0)
free(buf);
}
static void
window_copy_copy_line(struct window_mode_entry *wme, char **buf, size_t *off,
u_int sy, u_int sx, u_int ex)
{
struct window_copy_mode_data *data = wme->data;
struct grid *gd = data->backing->grid;
struct grid_cell gc;
struct grid_line *gl;
struct utf8_data ud;
u_int i, xx, wrapped = 0;
const char *s;
if (sx > ex)
return;
/*
* Work out if the line was wrapped at the screen edge and all of it is
* on screen.
*/
gl = grid_get_line(gd, sy);
if (gl->flags & GRID_LINE_WRAPPED && gl->cellsize <= gd->sx)
wrapped = 1;
/* If the line was wrapped, don't strip spaces (use the full length). */
if (wrapped)
xx = gl->cellsize;
else
xx = window_copy_find_length(wme, sy);
if (ex > xx)
ex = xx;
if (sx > xx)
sx = xx;
if (sx < ex) {
for (i = sx; i < ex; i++) {
grid_get_cell(gd, i, sy, &gc);
if (gc.flags & GRID_FLAG_PADDING)
continue;
utf8_copy(&ud, &gc.data);
if (ud.size == 1 && (gc.attr & GRID_ATTR_CHARSET)) {
s = tty_acs_get(NULL, ud.data[0]);
if (s != NULL && strlen(s) <= sizeof ud.data) {
ud.size = strlen(s);
memcpy(ud.data, s, ud.size);
}
}
*buf = xrealloc(*buf, (*off) + ud.size);
memcpy(*buf + *off, ud.data, ud.size);
*off += ud.size;
}
}
/* Only add a newline if the line wasn't wrapped. */
if (!wrapped || ex != xx) {
*buf = xrealloc(*buf, (*off) + 1);
(*buf)[(*off)++] = '\n';
}
}
static void
window_copy_clear_selection(struct window_mode_entry *wme)
{
struct window_copy_mode_data *data = wme->data;
u_int px, py;
screen_clear_selection(&data->screen);
data->cursordrag = CURSORDRAG_NONE;
data->lineflag = LINE_SEL_NONE;
data->selflag = SEL_CHAR;
py = screen_hsize(data->backing) + data->cy - data->oy;
px = window_copy_find_length(wme, py);
if (data->cx > px)
window_copy_update_cursor(wme, px, data->cy);
}
static int
window_copy_in_set(struct window_mode_entry *wme, u_int px, u_int py,
const char *set)
{
struct window_copy_mode_data *data = wme->data;
struct grid_cell gc;
grid_get_cell(data->backing->grid, px, py, &gc);
if (gc.flags & GRID_FLAG_PADDING)
return (0);
return (utf8_cstrhas(set, &gc.data));
}
static u_int
window_copy_find_length(struct window_mode_entry *wme, u_int py)
{
struct window_copy_mode_data *data = wme->data;
return (grid_line_length(data->backing->grid, py));
}
static void
window_copy_cursor_start_of_line(struct window_mode_entry *wme)
{
struct window_copy_mode_data *data = wme->data;
struct screen *back_s = data->backing;
struct grid *gd = back_s->grid;
u_int py;
if (data->cx == 0 && data->lineflag == LINE_SEL_NONE) {
py = screen_hsize(back_s) + data->cy - data->oy;
while (py > 0 &&
grid_get_line(gd, py - 1)->flags & GRID_LINE_WRAPPED) {
window_copy_cursor_up(wme, 0);
py = screen_hsize(back_s) + data->cy - data->oy;
}
}
window_copy_update_cursor(wme, 0, data->cy);
if (window_copy_update_selection(wme, 1, 0))
window_copy_redraw_lines(wme, data->cy, 1);
}
static void
window_copy_cursor_back_to_indentation(struct window_mode_entry *wme)
{
struct window_copy_mode_data *data = wme->data;
u_int px, py, xx;
struct grid_cell gc;
px = 0;
py = screen_hsize(data->backing) + data->cy - data->oy;
xx = window_copy_find_length(wme, py);
while (px < xx) {
grid_get_cell(data->backing->grid, px, py, &gc);
if (gc.data.size != 1 || *gc.data.data != ' ')
break;
px++;
}
window_copy_update_cursor(wme, px, data->cy);
if (window_copy_update_selection(wme, 1, 0))
window_copy_redraw_lines(wme, data->cy, 1);
}
static void
window_copy_cursor_end_of_line(struct window_mode_entry *wme)
{
struct window_copy_mode_data *data = wme->data;
struct screen *back_s = data->backing;
struct grid *gd = back_s->grid;
struct grid_line *gl;
u_int px, py;
py = screen_hsize(back_s) + data->cy - data->oy;
px = window_copy_find_length(wme, py);
if (data->cx == px && data->lineflag == LINE_SEL_NONE) {
if (data->screen.sel != NULL && data->rectflag)
px = screen_size_x(back_s);
gl = grid_get_line(gd, py);
if (gl->flags & GRID_LINE_WRAPPED) {
while (py < gd->sy + gd->hsize) {
gl = grid_get_line(gd, py);
if (~gl->flags & GRID_LINE_WRAPPED)
break;
window_copy_cursor_down(wme, 0);
py = screen_hsize(back_s) + data->cy - data->oy;
}
px = window_copy_find_length(wme, py);
}
}
window_copy_update_cursor(wme, px, data->cy);
if (window_copy_update_selection(wme, 1, 0))
window_copy_redraw_lines(wme, data->cy, 1);
}
static void
window_copy_other_end(struct window_mode_entry *wme)
{
struct window_copy_mode_data *data = wme->data;
struct screen *s = &data->screen;
u_int selx, sely, cy, yy, hsize;
if (s->sel == NULL && data->lineflag == LINE_SEL_NONE)
return;
if (data->lineflag == LINE_SEL_LEFT_RIGHT)
data->lineflag = LINE_SEL_RIGHT_LEFT;
else if (data->lineflag == LINE_SEL_RIGHT_LEFT)
data->lineflag = LINE_SEL_LEFT_RIGHT;
switch (data->cursordrag) {
case CURSORDRAG_NONE:
case CURSORDRAG_SEL:
data->cursordrag = CURSORDRAG_ENDSEL;
break;
case CURSORDRAG_ENDSEL:
data->cursordrag = CURSORDRAG_SEL;
break;
}
selx = data->endselx;
sely = data->endsely;
if (data->cursordrag == CURSORDRAG_SEL) {
selx = data->selx;
sely = data->sely;
}
cy = data->cy;
yy = screen_hsize(data->backing) + data->cy - data->oy;
data->cx = selx;
hsize = screen_hsize(data->backing);
if (sely < hsize - data->oy) { /* above */
data->oy = hsize - sely;
data->cy = 0;
} else if (sely > hsize - data->oy + screen_size_y(s)) { /* below */
data->oy = hsize - sely + screen_size_y(s) - 1;
data->cy = screen_size_y(s) - 1;
} else
data->cy = cy + sely - yy;
window_copy_update_selection(wme, 1, 1);
window_copy_redraw_screen(wme);
}
static void
window_copy_cursor_left(struct window_mode_entry *wme)
{
struct window_copy_mode_data *data = wme->data;
u_int py, cx;
struct grid_cell gc;
py = screen_hsize(data->backing) + data->cy - data->oy;
cx = data->cx;
while (cx > 0) {
grid_get_cell(data->backing->grid, cx, py, &gc);
if (~gc.flags & GRID_FLAG_PADDING)
break;
cx--;
}
if (cx == 0 && py > 0) {
window_copy_cursor_up(wme, 0);
window_copy_cursor_end_of_line(wme);
} else if (cx > 0) {
window_copy_update_cursor(wme, cx - 1, data->cy);
if (window_copy_update_selection(wme, 1, 0))
window_copy_redraw_lines(wme, data->cy, 1);
}
}
static void
window_copy_cursor_right(struct window_mode_entry *wme)
{
struct window_copy_mode_data *data = wme->data;
u_int px, py, yy, cx, cy;
struct grid_cell gc;
py = screen_hsize(data->backing) + data->cy - data->oy;
yy = screen_hsize(data->backing) + screen_size_y(data->backing) - 1;
if (data->screen.sel != NULL && data->rectflag)
px = screen_size_x(&data->screen);
else
px = window_copy_find_length(wme, py);
if (data->cx >= px && py < yy) {
window_copy_cursor_start_of_line(wme);
window_copy_cursor_down(wme, 0);
} else if (data->cx < px) {
cx = data->cx + 1;
cy = screen_hsize(data->backing) + data->cy - data->oy;
while (cx < px) {
grid_get_cell(data->backing->grid, cx, cy, &gc);
if (~gc.flags & GRID_FLAG_PADDING)
break;
cx++;
}
window_copy_update_cursor(wme, cx, data->cy);
if (window_copy_update_selection(wme, 1, 0))
window_copy_redraw_lines(wme, data->cy, 1);
}
}
static void
window_copy_cursor_up(struct window_mode_entry *wme, int scroll_only)
{
struct window_copy_mode_data *data = wme->data;
struct screen *s = &data->screen;
u_int ox, oy, px, py;
oy = screen_hsize(data->backing) + data->cy - data->oy;
ox = window_copy_find_length(wme, oy);
if (data->cx != ox) {
data->lastcx = data->cx;
data->lastsx = ox;
}
if (data->lineflag == LINE_SEL_LEFT_RIGHT && oy == data->sely)
window_copy_other_end(wme);
if (scroll_only || data->cy == 0) {
data->cx = data->lastcx;
window_copy_scroll_down(wme, 1);
if (scroll_only) {
if (data->cy == screen_size_y(s) - 1)
window_copy_redraw_lines(wme, data->cy, 1);
else
window_copy_redraw_lines(wme, data->cy, 2);
}
} else {
window_copy_update_cursor(wme, data->lastcx, data->cy - 1);
if (window_copy_update_selection(wme, 1, 0)) {
if (data->cy == screen_size_y(s) - 1)
window_copy_redraw_lines(wme, data->cy, 1);
else
window_copy_redraw_lines(wme, data->cy, 2);
}
}
if (data->screen.sel == NULL || !data->rectflag) {
py = screen_hsize(data->backing) + data->cy - data->oy;
px = window_copy_find_length(wme, py);
if ((data->cx >= data->lastsx && data->cx != px) ||
data->cx > px)
window_copy_cursor_end_of_line(wme);
}
if (data->lineflag == LINE_SEL_LEFT_RIGHT)
window_copy_cursor_end_of_line(wme);
else if (data->lineflag == LINE_SEL_RIGHT_LEFT)
window_copy_cursor_start_of_line(wme);
}
static void
window_copy_cursor_down(struct window_mode_entry *wme, int scroll_only)
{
struct window_copy_mode_data *data = wme->data;
struct screen *s = &data->screen;
u_int ox, oy, px, py;
oy = screen_hsize(data->backing) + data->cy - data->oy;
ox = window_copy_find_length(wme, oy);
if (data->cx != ox) {
data->lastcx = data->cx;
data->lastsx = ox;
}
if (data->lineflag == LINE_SEL_RIGHT_LEFT && oy == data->endsely)
window_copy_other_end(wme);
if (scroll_only || data->cy == screen_size_y(s) - 1) {
data->cx = data->lastcx;
window_copy_scroll_up(wme, 1);
if (scroll_only && data->cy > 0)
window_copy_redraw_lines(wme, data->cy - 1, 2);
} else {
window_copy_update_cursor(wme, data->lastcx, data->cy + 1);
if (window_copy_update_selection(wme, 1, 0))
window_copy_redraw_lines(wme, data->cy - 1, 2);
}
if (data->screen.sel == NULL || !data->rectflag) {
py = screen_hsize(data->backing) + data->cy - data->oy;
px = window_copy_find_length(wme, py);
if ((data->cx >= data->lastsx && data->cx != px) ||
data->cx > px)
window_copy_cursor_end_of_line(wme);
}
if (data->lineflag == LINE_SEL_LEFT_RIGHT)
window_copy_cursor_end_of_line(wme);
else if (data->lineflag == LINE_SEL_RIGHT_LEFT)
window_copy_cursor_start_of_line(wme);
}
static void
window_copy_cursor_jump(struct window_mode_entry *wme)
{
struct window_copy_mode_data *data = wme->data;
struct screen *back_s = data->backing;
struct grid_cell gc;
u_int px, py, xx;
px = data->cx + 1;
py = screen_hsize(back_s) + data->cy - data->oy;
xx = window_copy_find_length(wme, py);
while (px < xx) {
grid_get_cell(back_s->grid, px, py, &gc);
if (!(gc.flags & GRID_FLAG_PADDING) &&
gc.data.size == 1 && *gc.data.data == data->jumpchar) {
window_copy_update_cursor(wme, px, data->cy);
if (window_copy_update_selection(wme, 1, 0))
window_copy_redraw_lines(wme, data->cy, 1);
return;
}
px++;
}
}
static void
window_copy_cursor_jump_back(struct window_mode_entry *wme)
{
struct window_copy_mode_data *data = wme->data;
struct screen *back_s = data->backing;
struct grid_cell gc;
u_int px, py;
px = data->cx;
py = screen_hsize(back_s) + data->cy - data->oy;
if (px > 0)
px--;
for (;;) {
grid_get_cell(back_s->grid, px, py, &gc);
if (!(gc.flags & GRID_FLAG_PADDING) &&
gc.data.size == 1 && *gc.data.data == data->jumpchar) {
window_copy_update_cursor(wme, px, data->cy);
if (window_copy_update_selection(wme, 1, 0))
window_copy_redraw_lines(wme, data->cy, 1);
return;
}
if (px == 0)
break;
px--;
}
}
static void
window_copy_cursor_jump_to(struct window_mode_entry *wme)
{
struct window_copy_mode_data *data = wme->data;
struct screen *back_s = data->backing;
struct grid_cell gc;
u_int px, py, xx;
px = data->cx + 2;
py = screen_hsize(back_s) + data->cy - data->oy;
xx = window_copy_find_length(wme, py);
while (px < xx) {
grid_get_cell(back_s->grid, px, py, &gc);
if (!(gc.flags & GRID_FLAG_PADDING) &&
gc.data.size == 1 && *gc.data.data == data->jumpchar) {
window_copy_update_cursor(wme, px - 1, data->cy);
if (window_copy_update_selection(wme, 1, 0))
window_copy_redraw_lines(wme, data->cy, 1);
return;
}
px++;
}
}
static void
window_copy_cursor_jump_to_back(struct window_mode_entry *wme)
{
struct window_copy_mode_data *data = wme->data;
struct screen *back_s = data->backing;
struct grid_cell gc;
u_int px, py;
px = data->cx;
py = screen_hsize(back_s) + data->cy - data->oy;
if (px > 0)
px--;
if (px > 0)
px--;
for (;;) {
grid_get_cell(back_s->grid, px, py, &gc);
if (!(gc.flags & GRID_FLAG_PADDING) &&
gc.data.size == 1 && *gc.data.data == data->jumpchar) {
window_copy_update_cursor(wme, px + 1, data->cy);
if (window_copy_update_selection(wme, 1, 0))
window_copy_redraw_lines(wme, data->cy, 1);
return;
}
if (px == 0)
break;
px--;
}
}
static void
window_copy_cursor_next_word(struct window_mode_entry *wme,
const char *separators)
{
struct window_copy_mode_data *data = wme->data;
struct screen *back_s = data->backing;
u_int px, py, xx, yy;
int expected = 0;
px = data->cx;
py = screen_hsize(back_s) + data->cy - data->oy;
xx = window_copy_find_length(wme, py);
yy = screen_hsize(back_s) + screen_size_y(back_s) - 1;
/*
* First skip past any nonword characters and then any word characters.
*
* expected is initially set to 0 for the former and then 1 for the
* latter.
*/
do {
while (px > xx ||
window_copy_in_set(wme, px, py, separators) == expected) {
/* Move down if we're past the end of the line. */
if (px > xx) {
if (py == yy)
return;
window_copy_cursor_down(wme, 0);
px = 0;
py = screen_hsize(back_s) + data->cy - data->oy;
xx = window_copy_find_length(wme, py);
} else
px++;
}
expected = !expected;
} while (expected == 1);
window_copy_update_cursor(wme, px, data->cy);
if (window_copy_update_selection(wme, 1, 0))
window_copy_redraw_lines(wme, data->cy, 1);
}
static void
window_copy_cursor_next_word_end_pos(struct window_mode_entry *wme,
const char *separators, u_int *ppx, u_int *ppy)
{
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data = wme->data;
struct options *oo = wp->window->options;
struct screen *back_s = data->backing;
u_int px, py, xx, yy;
int keys, expected = 1;
px = data->cx;
py = screen_hsize(back_s) + data->cy - data->oy;
xx = window_copy_find_length(wme, py);
yy = screen_hsize(back_s) + screen_size_y(back_s) - 1;
keys = options_get_number(oo, "mode-keys");
if (keys == MODEKEY_VI && !window_copy_in_set(wme, px, py, separators))
px++;
/*
* First skip past any word characters, then any non-word characters.
*
* expected is initially set to 1 for the former and then 0 for the
* latter.
*/
do {
while (px > xx ||
window_copy_in_set(wme, px, py, separators) == expected) {
/* Move down if we're past the end of the line. */
if (px > xx) {
if (py == yy)
return;
py++;
px = 0;
xx = window_copy_find_length(wme, py);
} else
px++;
}
expected = !expected;
} while (expected == 0);
if (keys == MODEKEY_VI && px != 0)
px--;
*ppx = px;
*ppy = py;
}
static void
window_copy_cursor_next_word_end(struct window_mode_entry *wme,
const char *separators, int no_reset)
{
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data = wme->data;
struct options *oo = wp->window->options;
struct screen *back_s = data->backing;
u_int px, py, xx, yy;
int keys, expected = 1;
px = data->cx;
py = screen_hsize(back_s) + data->cy - data->oy;
xx = window_copy_find_length(wme, py);
yy = screen_hsize(back_s) + screen_size_y(back_s) - 1;
keys = options_get_number(oo, "mode-keys");
if (keys == MODEKEY_VI && !window_copy_in_set(wme, px, py, separators))
px++;
/*
* First skip past any word characters, then any nonword characters.
*
* expected is initially set to 1 for the former and then 0 for the
* latter.
*/
do {
while (px > xx ||
window_copy_in_set(wme, px, py, separators) == expected) {
/* Move down if we're past the end of the line. */
if (px > xx) {
if (py == yy)
return;
window_copy_cursor_down(wme, 0);
px = 0;
py = screen_hsize(back_s) + data->cy - data->oy;
xx = window_copy_find_length(wme, py);
} else
px++;
}
expected = !expected;
} while (expected == 0);
if (keys == MODEKEY_VI && px != 0)
px--;
window_copy_update_cursor(wme, px, data->cy);
if (window_copy_update_selection(wme, 1, no_reset))
window_copy_redraw_lines(wme, data->cy, 1);
}
/* Compute the previous place where a word begins. */
static void
window_copy_cursor_previous_word_pos(struct window_mode_entry *wme,
const char *separators, int already, u_int *ppx, u_int *ppy)
{
struct window_copy_mode_data *data = wme->data;
u_int px, py;
px = data->cx;
py = screen_hsize(data->backing) + data->cy - data->oy;
/* Move back to the previous word character. */
if (already || window_copy_in_set(wme, px, py, separators)) {
for (;;) {
if (px > 0) {
px--;
if (!window_copy_in_set(wme, px, py,
separators))
break;
} else {
if (data->cy == 0 &&
(screen_hsize(data->backing) == 0 ||
data->oy >=
screen_hsize(data->backing) - 1))
goto out;
py--;
py = screen_hsize(data->backing) + data->cy -
data->oy;
px = window_copy_find_length(wme, py);
/* Stop if separator at EOL. */
if (px > 0 && window_copy_in_set(wme, px - 1,
py, separators))
break;
}
}
}
/* Move back to the beginning of this word. */
while (px > 0 && !window_copy_in_set(wme, px - 1, py, separators))
px--;
out:
*ppx = px;
*ppy = py;
}
/* Move to the previous place where a word begins. */
static void
window_copy_cursor_previous_word(struct window_mode_entry *wme,
const char *separators, int already)
{
struct window_copy_mode_data *data = wme->data;
u_int px, py;
px = data->cx;
py = screen_hsize(data->backing) + data->cy - data->oy;
/* Move back to the previous word character. */
if (already || window_copy_in_set(wme, px, py, separators)) {
for (;;) {
if (px > 0) {
px--;
if (!window_copy_in_set(wme, px, py,
separators))
break;
} else {
if (data->cy == 0 &&
(screen_hsize(data->backing) == 0 ||
data->oy >=
screen_hsize(data->backing) - 1))
goto out;
window_copy_cursor_up(wme, 0);
py = screen_hsize(data->backing) + data->cy -
data->oy;
px = window_copy_find_length(wme, py);
/* Stop if separator at EOL. */
if (px > 0 && window_copy_in_set(wme, px - 1,
py, separators))
break;
}
}
}
/* Move back to the beginning of this word. */
while (px > 0 && !window_copy_in_set(wme, px - 1, py, separators))
px--;
out:
window_copy_update_cursor(wme, px, data->cy);
if (window_copy_update_selection(wme, 1, 0))
window_copy_redraw_lines(wme, data->cy, 1);
}
static void
window_copy_scroll_up(struct window_mode_entry *wme, u_int ny)
{
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data = wme->data;
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
if (data->oy < ny)
ny = data->oy;
if (ny == 0)
return;
data->oy -= ny;
window_copy_update_selection(wme, 0, 0);
screen_write_start(&ctx, wp, NULL);
screen_write_cursormove(&ctx, 0, 0, 0);
screen_write_deleteline(&ctx, ny, 8);
window_copy_write_lines(wme, &ctx, screen_size_y(s) - ny, ny);
window_copy_write_line(wme, &ctx, 0);
if (screen_size_y(s) > 1)
window_copy_write_line(wme, &ctx, 1);
if (screen_size_y(s) > 3)
window_copy_write_line(wme, &ctx, screen_size_y(s) - 2);
if (s->sel != NULL && screen_size_y(s) > ny)
window_copy_write_line(wme, &ctx, screen_size_y(s) - ny - 1);
screen_write_cursormove(&ctx, data->cx, data->cy, 0);
screen_write_stop(&ctx);
}
static void
window_copy_scroll_down(struct window_mode_entry *wme, u_int ny)
{
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data = wme->data;
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
if (ny > screen_hsize(data->backing))
return;
if (data->oy > screen_hsize(data->backing) - ny)
ny = screen_hsize(data->backing) - data->oy;
if (ny == 0)
return;
data->oy += ny;
window_copy_update_selection(wme, 0, 0);
screen_write_start(&ctx, wp, NULL);
screen_write_cursormove(&ctx, 0, 0, 0);
screen_write_insertline(&ctx, ny, 8);
window_copy_write_lines(wme, &ctx, 0, ny);
if (s->sel != NULL && screen_size_y(s) > ny)
window_copy_write_line(wme, &ctx, ny);
else if (ny == 1) /* nuke position */
window_copy_write_line(wme, &ctx, 1);
screen_write_cursormove(&ctx, data->cx, data->cy, 0);
screen_write_stop(&ctx);
}
static void
window_copy_rectangle_toggle(struct window_mode_entry *wme)
{
struct window_copy_mode_data *data = wme->data;
u_int px, py;
data->rectflag = !data->rectflag;
py = screen_hsize(data->backing) + data->cy - data->oy;
px = window_copy_find_length(wme, py);
if (data->cx > px)
window_copy_update_cursor(wme, px, data->cy);
window_copy_update_selection(wme, 1, 0);
window_copy_redraw_screen(wme);
}
static void
window_copy_move_mouse(struct mouse_event *m)
{
struct window_pane *wp;
struct window_mode_entry *wme;
u_int x, y;
wp = cmd_mouse_pane(m, NULL, NULL);
if (wp == NULL)
return;
wme = TAILQ_FIRST(&wp->modes);
if (wme == NULL)
return;
if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
return;
if (cmd_mouse_at(wp, m, &x, &y, 0) != 0)
return;
window_copy_update_cursor(wme, x, y);
}
void
window_copy_start_drag(struct client *c, struct mouse_event *m)
{
struct window_pane *wp;
struct window_mode_entry *wme;
struct window_copy_mode_data *data;
u_int x, y, yg;
if (c == NULL)
return;
wp = cmd_mouse_pane(m, NULL, NULL);
if (wp == NULL)
return;
wme = TAILQ_FIRST(&wp->modes);
if (wme == NULL)
return;
if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
return;
if (cmd_mouse_at(wp, m, &x, &y, 1) != 0)
return;
c->tty.mouse_drag_update = window_copy_drag_update;
c->tty.mouse_drag_release = window_copy_drag_release;
data = wme->data;
yg = screen_hsize(data->backing) + y - data->oy;
if (x < data->selrx || x > data->endselrx || yg != data->selry)
data->selflag = SEL_CHAR;
switch (data->selflag) {
case SEL_WORD:
if (data->ws) {
window_copy_update_cursor(wme, x, y);
window_copy_cursor_previous_word_pos(wme,
data->ws, 0, &x, &y);
y -= screen_hsize(data->backing) - data->oy;
}
window_copy_update_cursor(wme, x, y);
break;
case SEL_LINE:
window_copy_update_cursor(wme, 0, y);
break;
case SEL_CHAR:
window_copy_update_cursor(wme, x, y);
window_copy_start_selection(wme);
break;
}
window_copy_redraw_screen(wme);
window_copy_drag_update(c, m);
}
static void
window_copy_drag_update(struct client *c, struct mouse_event *m)
{
struct window_pane *wp;
struct window_mode_entry *wme;
struct window_copy_mode_data *data;
u_int x, y, old_cx, old_cy;
struct timeval tv = {
.tv_usec = WINDOW_COPY_DRAG_REPEAT_TIME
};
if (c == NULL)
return;
wp = cmd_mouse_pane(m, NULL, NULL);
if (wp == NULL)
return;
wme = TAILQ_FIRST(&wp->modes);
if (wme == NULL)
return;
if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
return;
data = wme->data;
evtimer_del(&data->dragtimer);
if (cmd_mouse_at(wp, m, &x, &y, 0) != 0)
return;
old_cx = data->cx;
old_cy = data->cy;
window_copy_update_cursor(wme, x, y);
if (window_copy_update_selection(wme, 1, 0))
window_copy_redraw_selection(wme, old_cy);
if (old_cy != data->cy || old_cx == data->cx) {
if (y == 0) {
evtimer_add(&data->dragtimer, &tv);
window_copy_cursor_up(wme, 1);
} else if (y == screen_size_y(&data->screen) - 1) {
evtimer_add(&data->dragtimer, &tv);
window_copy_cursor_down(wme, 1);
}
}
}
static void
window_copy_drag_release(struct client *c, struct mouse_event *m)
{
struct window_pane *wp;
struct window_mode_entry *wme;
struct window_copy_mode_data *data;
if (c == NULL)
return;
wp = cmd_mouse_pane(m, NULL, NULL);
if (wp == NULL)
return;
wme = TAILQ_FIRST(&wp->modes);
if (wme == NULL)
return;
if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
return;
data = wme->data;
evtimer_del(&data->dragtimer);
}
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